Showing Collections: 201 - 250 of 1550
A poster stamp is physically similar to a postage stamp, but it is without a face value or denomination. Poster stamps were created to commemorate and promote products, events, or ideas. The Exposition of Chemical Industries (now called The Chem Show) was first put on in 1915. It serves to bring together manufacturers and suppliers with people who work in the chemical process industry. This collection consists of gummed stickers with colorful images or designs advertising various functions and companies related to the chemical industry.
The DuPont Company's Chestnut Run Laboratories were opened in 1954 near Wilmington, Delaware. The first laboratory was the Textile Research Laboratory whose purpose was to test the effects of normal wear and tear on DuPont's line of synthetic fibers and fabrics. This collection consists of eight albums of photographs showing laboratories, fabrication equipment, testing equipment dating to the mid-1950s, and personnel photographs from the late-1980s.
E.I. du Pont de Nemours & Company is a chemical company more commonly referred to as the DuPont company. The DuPont Company opened the Chestnut Run Textile Research Laboratory in 1954 near Wilmington, Delaware as a research facility to test the effects of normal wear and tear on DuPont's line of synthetic fibers and fabrics. This item is a vertical aerial photograph of DuPont's Chestnut Run facility in Wilmington, Delaware.
The Chicago Railroad Fair was the last exposition that featured railroads as its theme. It marked the centennial of the arrival of railroads to Chicago and their role in westward expansion. The exposition was held in 1948 and 1949 in Chicago. This collection consists of souvenir postcards and miniature photographic views of the buildings and locomotives at the Fair.
World's Columbian Exposition, the Chicago World's Fair which was staged from May to October, 1893, commemorated 400 years since Columbus's New World arrival. Souvenir view book of Chicago, Illinois, including view of the World's Fair.
Christ Church Christiana Hundred is an Episcopal church in Greenville, Delaware, founded in 1848 by the du Pont family and Reverend Samuel Brinckle (1796-1863).This collection of Christ Church photographs primarily document changes to the church site, both exterior and interior, between 1890 and 1983.
Founded in 1848 by Reverend Samuel Brincklé (1796-1863) and members of the du Pont family, Christ Church Christian Hundred located in Greenville, Delaware is one of the oldest Episcopal churches in the Diocese of Delaware. Their records chronicle the activities of Christ Church over a span of nearly one hundred fifty years and include administrative and vital records.
The Christiana Bank & Trust Company formed in 1992 to conduct a banking and trust business for Greenville, Delaware, and nearby communities in New Castle County, Delaware, and Chester County, Pennsylvania. The records include initial business and organizational plans, including stock offerings; annual reports; shareholder and directors lists; board minutes; quarterly financial reports, and documents covering the merger of the bank with National Penn Bancshares, Inc.
The Christiana Machine Company was a small, general purpose machine shop and foundry located in Christiana, Lancaster County, Pennsylvania. This small collection includes incoming and outgoing correspondence related to orders following the buyout of Nathan F. Burnham's interest by the Broomells in January 1889.
The Christiana Machine Company is a small, general purpose machine shop and foundry located in Christiana, Lancaster County, Pennsylvania. Their records cover the operation of the company under the Broomells and Burnham from 1877 to 1915 and are typical of the records of a small machine shop.
Notes and maps from an unfinished project to map the turnpike and plank road networks of the states from New York to Virginia/West Virginia down to 1860 and for two completed journal articles on the turnpikes and plank roads of New York State during the same period.
The heyday of cigar band artwork spans from the late nineteenth to early twentieth centuries with many of the companies adopting pictorial displays as well as text. The bands were produced through lithographic printing methods. This item is an album of cigar bands collected in the early twentieth century.
Cinecraft, Inc. is a corporate film and video production house. The company was founded in 1939 by Ray Culley (1904-1983) and Betty Culley (1914-2016) in Cleveland, Ohio. Ray Culley served as president of the company until his retirement in 1970. During his tenure, Cinecraft specialized in commercial productions for business, industry, trade organizations, and, in some cases, government agencies and social service organizations. Cinecraft was one among hundreds of production houses in the U.S. during the middle decades of the twentieth century that specialized in a motion pictures commonly referred to as non-theatrical, industrial, commercial, business and/or sponsored films. The collection consists of films produced or acquired by Cinecraft, Inc., scripts prepared for film productions, and administrative documents related to the daily functions of the company. The collection is divided into three series: Films; Scripts and project documentation; and Administrative records. The materials date from 1923 to the 1980s.
Cities Service Oil Company was an oil and natural gas company formed in 1959 after a Federal Court mandated that Cities Services Company divest its holdings as a result of the Public Utility Holding Company Act of 1935. A souvenir album from the first annual Dealerama, a trade show held by Cities Service Oil Company to encourage service stations to increase their advertising. The trade show was a two day event in January of 1959 that took place at the Hotel Statler-Hilton in New York. The materials in the album are primarily photographs of exhibitions or booths that demonstrate a varity of products. There are a small set of materials that were laid into the album.
In the mid-1850's major cities in the United States began publishing pictorial envelopes with patriotic themes. This collection consists of envelopes with printed cover illustrations from the American Civil War.
The Maytag Corporation manufactures home appliances, most well known for its washing machines, also produces dryers, dishwashers, cooktops, refrigerators, and ranges. Claire G. Ely (1905-2004) was an employee of the Maytag company for forty one years. He worked for the Kansas City Branch and then was transferred to Newton, Iowa upon his promotion in 1952 to Manager of Product and Market Planning, eventually becoming Vice President of Marketing. This collection consists of materials collected or created by Clare G. Ely and includes biographical information about the Maytag family, historical information about the Maytag company, and documents the career of Ely from Branch Manager to Vice President. The collection includes press releases, newsletters, bulletins, newspaper clippings, correspondence, reports, pamphlets, photographs, and certificates.
Clarita Violet Stubenbord (1909-2010) was an artist and designer working in the 1930s through the 1960s in New York. Her design work was primarily packaging design for the cosmetics industry. This collection is Stubenbord's portfolio of design work for major cosmetics houses, primarily Dorothy Gray, but also Elizabeth Arden and Estee Lauder.
Clinton H. Blackburn (1916-1993) was a mechanical engineer with E.I. du Pont de Nemours & Company. Blackburn's papers are a sample of work-related materials he retained upon retirement.
Vicary’s Clothing Store was a men’s clothing store located in Canton, Ohio founded by C.N. (Charles Newell) Vicary (1858-1921) in 1905. This album contains brochures, reports, stock certificates and photographs of the clothing store and its employees. There are exterior views of the store front at various locations, interior views of the store showing different fixtures, different departments, including staff members in the store and individual portraits of staff members.
Coal Lands Securities Co. was one of several mining companies owned in large portion by Thomas J. Foster (1843-1936), a publisher. Lackawanna Coal and Lumber Company and Highland Lumber Company were also part of Foster's holdings. The album contains photographs taken during an inspection trip made by a party from the Coal Lands Securities Company to properties in West Virginia owned by the Lackawanna Coal and Lumber Company and the Highland Lumber Company.
The Collection of Philadelphia merchants records comprises the papers of major and minor merchant houses in Philadelphia throughout the late eighteenth and early nineteenth centuries, and primarily documents trade with major port cities in Western Europe and the West Indies. Included are the papers of merchants Andrew Clow & Co., Dutilh & Wachsmuth, Manuel Eyre, and George Louis de Stockar, along with records of other miscellaneous merchants from the Philadelphia area. The records include correspondence, accounts, bills, orders, invoices and other material that give insight into the rise of capitalism in the Early Republic.
Aristo Gold was a product of the American Aristotype Co. which was purchased by Eastman Kodak Company before 1920. This is a small group of material all related to photography. There are three stock photographs, company samples all printed on Aristo Gold "pure collodian-matt surface for sepia effects" paper; a letter, a price list and a tearsheet.
Colonel J. (John) Victor Dallin (1897-1991) was an aviator and photographer who founded the Dallin Aerial Surveys Company in 1924. This small collection of films were shot by Dallin. There are five films, three are home movies, one is the reception for Charles Lindbergh in Philadelphia, and the fifth film contents is unidentified at this time.
The Color Association of the United States (CAUS) was organized on February 19, 1915 as the Textile Color Card Association (TCCA) for the purpose of standardizing colors for the textile trade. Their records include minutes; reports; staff and membership files; publications; advertisements; cloth samples; seasonal bulletins; and color cards. Color standardization services for the government and various industries are documented as well.
Pierre Samuel du Pont de Nemours (1739-1817) was a French political economist, writer, publisher, and public administrator. This collection contains photocopies of five complaints submitted to du Pont de Nemours when he was a deputy from Chevannes to the Assemblee des Trois Ordres du Bailliage de Nemours.
The Computer & Communications Industry Association (CCIA) was involved in duplicating and making available court documents of interest to their members. CCIA assembled documents, assigned their own numbering scheme, and in some cases created microfiche copies of the records. The IBM antitrust trial records consists of CCIA photocopies and microfiche copies of trial transcripts, trial exhibits, depositions, legal memoranda, motions, subpoenas, and other documents relating to antitrust suits brought against IBM throughout the 1970s.
Conectiv, Inc. was formed in 1998 by the merger of Atlantic Electric Incorporated and Delmarva Power and Light Company, two large regional power utilities that supplied Southern New Jersey and the Delmarva Peninsula. Almost all the images in this collection came originally from the corporate archive of the Delmarva Power and Light Company (DP&L).The majority of the images in this collection come from the Delmarva Power and Light Company (DP&L), a predecessor of Conectiv, Inc. The images can generally be divided into three categories: DP&L equipment and facilities, DP&L employees, and views of buildings, both commercial and residential, throughout northern Delaware.
This collection is a list on cardboard of the contents of a Conestoga wagon toolbox. Conestoga wagons were used to haul freight between farms and cities in Pennsylvania, Maryland, Virginia, and Ohio between the years 1750 and 1855.
The records consists of contract and production documents for two celebrated IMAX films sponsored by Conoco, Inc., and made for the National Air and Space Museum, with an accompanying juvenile storybook.
The Consolidated Rail Corporation (Conrail) was incorporated in October 1974. It was formed under the auspices of the United States Railway Association, a quasi-public agency established for the purpose of solving the problems of bankrupt railroads in the Northeast and Midwest. The portfolio contains sixty-eight examples of proof copies of advertisements created by the advertising agency of Ogilvy & Mather, Inc. (later Ogilvy & Mather Partners, Inc.), between Conrail's start up in April 1976 and 1990. There are also two pages of proxy instructions that appear to date from the first CSX takeover bid in 1997.
The Consolidated Rail Corporation (Conrail) was incorporated in October 1974. It was formed under the auspices of the United States Railway Association, a quasi-public agency established for the purpose of solving the problems of bankrupt railroads in the Northeast and Midwest. The Conrail photograph collection consists of a large number of images from its company files, but the majority of the material comes from its predecessor companies: Pennsylvania Railroad and Penn Central Transportation Company. These items are predominanatly composed of photographs, negatives, transparencies, lantern slides, and films.
The Radio Corporation of America (renamed RCA Corporation in 1969) was best known for its pioneering radio and television development and manufacturing. This small collection consists of non-RCA material collected by the David Sarnoff Library, as well as clippings relating to the library's closure.
Cooper & Hewitt partners were iron businessmen who purchased ironworks, property, and iron mines. In 1845, a rolling mill complex was incorporated as the Trenton Iron Company, and in 1847 iron mines at Andover, New Jersey, were purchased. The records consist of two payroll sheets from 1848, as well as eighty-two inbound letters, mostly from 1849 to 1850. The letters are primarily operating reports from the superintendent of the Andover mine.
Consists of the family papers of former DuPont CEO Lammot du Pont Copeland (1905-1983) and his wife Pamela Cunningham Copeland (1906-2001). The Copelands' papers document the lives and interests of a wealthy American couple in the twentieth century. In particular, the papers of Pamela C. Copeland are an important source of information about the public activities of women in the areas of historic preservation, gardening and horticulture, and philanthropy.
Ethel Lippman (1891-1987) and David Sarnoff (1891-1971) were friends in their youth; her parents supposedly objected to their marriage. The collection consists of a few copies of Ethel Lippman's handwritten letters and all of David Sarnoff's replies.
Records collected by Christopher P. Wahmann during his career as a manager in the Operating Department of Amtrak between the mid-1970s and mid-1990s, including Amtrak documents and those of other railroads and commuter agencies over which Amtrak operates or that operate trains over Amtrak's lines.
The Craven-McDade family had several family members working in the gunpowder and explosives industry for the E.I. du Pont de Nemours & Company and later the Hercules Powder Company. These papers related to the Craven and McDade family of Henry Clay village in Delaware.
Crawford H. Greenewalt (1902-1993) was an executive with the DuPont Company and president of the firm from 1948 to 1962. The collection consists of photographs and other materials related to Crawford Greenewalt's career with the DuPont Company and his involvement with corporate boards and other business and scientific organizations, etc., such as Boeing, M.I.T., Smithsonian Institution, and Radio Free Europe.
Crawford Hallock Greenewalt (1902-1993) was a chemical engineer and the President of the DuPont Company from 1948 to 1962. The collection consists of photographs relating to the career of Crawford H. Greenewalt. The album consists of photographs of a trip Greenewalt made to Argentina in 1956 related to expansion plans for the Ducilo plant. The views were primarily taken at the Buenos Aires airport and at a banquet meeting.
Crawford Hallock Greenewalt (1902-1993) was a chemical engineer and the President of the DuPont Company from 1948 to 1962. He had a passion for the natural sciences, and combined his love of ornithology with photography. He was especially known for his high speed photographs of hummingbirds. The bulk of the collection consists of nature films shot by Greenewalt, primarily of hummingbirds. The collection is divided into three series: Nature films, DuPont films and Sound recordings.
Crawford H. Greenewalt (1902-1993) was an executive with the DuPont Company and president of the firm from 1948 to 1962. This collection consists of Greenewalt's papers from his time as president and chairman of the board. There is a broad range of external correspondence, internal company communications and reports, presidential working papers, transcripts of speeches, and published articles that make up the collection.
Crawford H. Greenewalt (1902-1993) was an executive with the DuPont Company and president of the firm from 1948 to 1962. He had a passion for the natural sciences, and combined his love of ornithology with photography. He was especially known for his high-speed photographs of hummingbirds. His ornithological interests included bird songs, the radiance of hummingbird feathers, and the evolution of shapes and sizes of birds in relation to their flight abilities. Greenewalt's personal papers are primarily focused on his retirement years and his avocational interests. The papers document Greenewalt's political activities in the Republican National Committee and include exchanges with many of the leading political and business figures of the day. Of particular significance are the papers describing Greenewalt's work in photography and ornithology, beginning in 1948. These materials trace his research interests in the hummingbird and bird flight and his trips to places like Brazil, Peru, Venezuela, the Antilles, New Guinea, and the Galapagos Islands in order to observe and photograph birds in their natural habitats. Other files describe Greenewalt's work on the visiting committee at the Massachusetts Institute of Technology (1965-1987), which evaluated the school's academic programs.
Crawford H. Greenewalt (1902-1993) was an executive with the DuPont Company and president of the firm from 1948 to 1962. In 1942, when the DuPont Company agreed to participate in the Manhattan Project, Greenewalt was named chief liaison, working with the physicists at the University of Chicago Metallurgical Laboratory, including Arthur Compton (1892-1962) and Enrico Fermi (1901-1954), who were developing techniques for plutonium separation. The collection consists of eight volumes of Greenewalt's diaries, which describe the history of the Manhattan Project and the development of the United States' first atomic bombs that were used to end the Second World War. The diaries describe the technical history of the project, as well as the relationships that developed between scientists.
Creed and Company Limited was originally founded as Creed, Bille & Company Limited by Frederick George Creed (1871-1957) and Harald Bille (1879-1916) in 1912 to manufacture and sell telegraphy equipment. In the early 1900s, Creed had invented several machines that facilitated the sending and receiving of Morse code messages. Much of Creed and Company's manufacturing capacity was in Croydon, London, England. These photographs show a group tour of the Creed and Company Limited plant in Croydon on October 14, 1954.
The Crofton and Shubrick families were descendants of a prominent French American diplomat and businessman, Victor Marie du Pont (1767-1827), and represent middle-class American women in the mid-to-late nineteenth century. Two generations of women married military men who were stationed across the world. This collection spans three generations of women (Julia du Pont Shubrick, Gabrielle Josephine Shubrick Crofton, and Julia du Pont Crofton Walcutt) from these families and contains correspondence regarding everyday life.
These photographs document the abandoned site where the Peoples Railway trolley car passed under the tracks of the Wilmington and Northern Railroad in Rockford Park near the Brandywine Creek. The Peoples Railway Company started in 1900 to bring visitors via electric trolley to the Brandywine Springs Amusement Park outside of Wlimington. The Wilmington and Northern Railroad Company was a branch of the Reading railroad system running in a north-south direction between Wilmington, Delware and Reading, Pennsylvania. Its object was to connect the various industrial plants located along Brandywine Creek with other railroads leading to the west and to the anthracite coal regions.
Louise Evelina du Pont (1877-1958) was the daughter of Mr. and Mrs. Henry Algernon du Pont. In 1922 Henry A. du Pont purchased the original family home, Eleutherian Mills, for his daughter who, with her husband, began restoring the house and building a Renaissance garden adjoining it. This collection consists of twelve black and white photographs of Louise and Frank Crowninshield's garden at Eleutherian Mills, apparently taken by Horace Dugdale during a visit, circa 1938. Also two photographs of the abandon Hagley House which stood nearby.
Cinecraft Productions was founded in 1939 by Ray Culley (1904-1983) and Betty Culley (1914-2016) in Cleveland, Ohio. Ray Culley served as president of the company until his retirement in 1970. During his tenure, Cinecraft specialized in commercial productions for business, industry, trade organizations, and, in some cases, government agencies and social service organizations. Cinecraft was one among hundreds of production houses in the U.S. during the middle decades of the 20th century that specialized in motion pictures commonly referred to as non-theatrical, industrial, business and/or sponsored films. This collection documents the history of the company, the people that worked there, and some of the company's film and educational projects. The collection has been arranged into three series: Company and personnel history; Films; and Educational materials. The materials date from 1937 to 2016 with a bulk of the collection dating from 1937 to 1975.
Members of the Curtis family were paper manufacturers at Newton Lower Falls, Massachusetts, and Newark, Delaware. Alfred A. Curtis (1848-1945) was president of the family paper company from 1911 to 1926. The papers consist of personal and family items collected by Alfred A. Curtis. Included in the collection is a scrapbook of photographs and newspaper clippings, a number of loose papers and clippings, and several histories of the Curtis Paper Company. The papers also contain some letters and notes of Alfred A. Curtis, many connected with genealogy and family history.
The Curtis Paper Company was a small producer specializing in high-quality paper located in Newark, Delaware. This small collection of records consists of incorporation papers from 1911 and financial reports dating from 1941 to 1946. There are two agreements and two letters related to the sale of the company from Alfred A. Curtis (1848-1945) to Charles M. Levis (1859-1941) and Herbert W. Mason (1882-1939) in 1926.
- Manuscripts and Archives 870
- Audiovisual Collections 676
- Published Collections 4
- Correspondence 239
- Railroads 116
- Advertisements 100
- Gunpowder industry 79
- Social history 78
- Chemical industry 76
- Explosives industry 67
- Exhibitions 64
- Financial statements 54
- Textile industry 50
- Research, Industrial 44
- Steel industry and trade 43
- Textile fibers, Synthetic 41
- Exhibition buildings 39
- Iron industry and trade 39
- Reports 39
- Account books 38
- Ephemera 37
- Patents 37
- Portraits 37
- Electronic industries 35
- Postcards 35
- Scrapbooks 35
- Minutes 34
- Ships 34
- Diaries 33
- Wilmington (Del.) 33
- Domestic relations 32
- Group portraits 32
- Aeronautics 31
- World War, 1939-1945 31
- Construction projects 30
- Marketing 30
- Photograph albums 30
- Factories 29
- Railroads -- Rolling stock 29
- Genealogies 28
- Inventors 28
- Panoramic photographs 28
- Testing laboratories 28
- Du Pont family -- Homes and haunts 27
- Industrial design 27
- Industrial chemists 26
- Papermaking 25
- Biography 24
- Dyes and dyeing 24
- Industrial safety 24
- Oral histories 24
- Powder mills 24
- Planographic prints 23
- Weapons industry -- Employees 23
- Automobile industry and trade 22
- Investments 22
- Railroad stations 22
- Trade associations 22
- Coal mines and mining 21
- Gunpowder, Smokeless 21
- Merchants 21
- Packaging -- Design 21
- Aerial photographs 20
- Posters 20
- Textile factories 20
- Blast furnaces 19
- Business and politics 19
- Chemical plants 19
- Maps 19
- Pennsylvania 19
- Iron and steel workers 18
- Sales promotion 18
- Steel-works 18
- Technical drawings 18
- United States -- History -- Civil War, 1861-1865 18
- Wages 18
- Banks and banking 17
- Computer industry 17
- Historic sites 17
- Industrial housing 17
- Philadelphia (Pa.) 17
- Railroads -- Buildings and structures 17
- Speeches 17
- World War, 1914-1918 17
- Commerce 16
- Firearms 16
- Industrial relations 16
- Laboratory notebooks 16
- Nylon 16
- Paper mills 16
- Railroads -- Rolling stock -- Design and construction 16
- United States. Navy -- Officers 16
- Europe -- Description and travel 15
- Finishes and finishing 15
- Gardens 15
- Industrial films 15
- Printing industry 15
- Receipts (Financial records) 15
- Cotton manufacture 14
- Dwellings 14
- Electric industries 14
- Mechanical engineering 14
- Papermaking machinery 14 ∧ less
- English 1496
- French 62
- German 3
- Italian 2
- Spanish; Castilian 1
- Du Pont family 188
- E.I. du Pont de Nemours & Company 179
- Unknown 54
- Du Pont de Nemours, Pierre Samuel, 1739-1817 49
- Pennsylvania Railroad 40
- Du Pont, Samuel Francis, 1803-1865 31
- E.I. du Pont de Nemours & Company. Experimental Station 25
- Du Pont, Sophie Madeleine, 1810-1888 19
- RCA Corporation 18
- Du Pont, Eleuthère Irénée, 1771-1834 16
- Du Pont, H. A. (Henry Algernon), 1838-1926 16
- United States. Navy 16
- Dick, John A., 1879-1972 14
- Du Pont de Nemours, Francoise Robin Poivre, 1748-1841 14
- Joseph Bancroft & Sons Co 14
- New York World's Fair (1964-1965 : New York, N.Y.) 14
- Du Pont, Pierre S. (Pierre Samuel), 1870-1954 13
- Savery, Thomas H., 1837-1910 13
- Longwood Gardens (Kennett Square, Pa.) 12
- New York World's Fair (1939-1940 : New York, N.Y.) 12
- Eleutherian Mills (Greenville, Del. : Estate) 11
- Jackson Laboratory (E.I. du Pont de Nemours & Company) 11
- Pusey and Jones Company 11
- Carothers, Wallace Hume, 1896-1937 10
- Centennial Exhibition (1876 : Philadelphia, Pa.) 10
- E.I. du Pont de Nemours & Company. Textile Fibers Department 10
- Greenewalt, Crawford H., 1902-1993 10
- Reading Company 10
- World’s Columbian Exposition (1893 : Chicago, Ill.) 10
- Du Pont, Francis Gurney, 1850-1904 9
- Du Pont, Victor Marie, 1767-1827 9
- Loewy, Raymond, 1893-1986 9
- Pusey & Jones Corporation 9
- Baldwin Locomotive Works 8
- Bethlehem Steel Corporation 8
- Crowninshield, Louise du Pont, 1877-1958 8
- Du Pont, Henry, 1812-1889 8
- E.I. du Pont de Nemours & Company. Brandywine Works 8
- E.I. du Pont de Nemours & Company. Central Research and Development Department 8
- E.I. du Pont de Nemours & Company. Organic Chemicals Department 8
- National Association of Manufacturers (U.S.) 8
- Southeastern Pennsylvania Transportation Authority 8
- E.I. du Pont de Nemours & Company. Carney's Point Works 7
- E.I. du Pont de Nemours & Company. Chestnut Run Laboratories 7
- E.I. du Pont de Nemours & Company. Hagley Yard 7
- E.I. du Pont de Nemours & Company. Pioneering Research Laboratory 7
- Gentieu, Pierre A., 1842-1930 7
- Gilpin, Joshua, 1765-1841 7
- Hagley Museum and Library 7
- Hanford Engineer Works 7
- International Business Machines Corporation 7
- Maxim, Hudson, 1853-1927 7
- Philadelphia & Reading Railroad Co 7
- Victor Talking Machine Company 7
- Amtrak 6
- Century of Progress International Exposition (1933-1934 : Chicago, Ill.) 6
- Du Pont, Alfred I. (Alfred Irénée), 1864-1935 6
- E.I. du Pont de Nemours & Company. Engineering Department 6
- E.I. du Pont de Nemours & Company. Grasselli Chemicals Department 6
- General Electric Company 6
- Lea family 6
- Lehigh Valley Railroad Company 6
- Manhattan Project (U.S.) 6
- Penn Central Transportation Company 6
- Radio Corporation of America 6
- Thayer, Horace H., 1878-1959 6
- Young, William, 1755-1829 6
- Baltimore and Ohio Railroad Company 5
- Bauduy, Peter, 1769-1833 5
- Brandywine Manufacturers Sunday School 5
- Budd Company 5
- DeMirjian, Charles H., 1925-2021 5
- Du Pont, Irénée, 1876-1963 5
- E.I. du Pont de Nemours Powder Company 5
- General Motors Corporation 5
- Hagley Museum and Library. Library. Oral History Project Office 5
- Hercules Powder Company 5
- Louisiana Purchase Exposition (1904 : Saint Louis, Mo.) 5
- Lukens Steel Company 5
- Ramsay, William G. (William Gouverneur), 1866 - 1916 5
- Remington Arms Company 5
- Sperry Rand (Corporation). Univac Division 5
- Staël, Madame de (Anne-Louise-Germaine), 1766-1817 5
- University of Delaware 5
- William Sellers & Co. (Philadelphia, Pa.) 5
- All American Engineering Company 4
- American Car and Foundry Company 4
- American Car and Foundry Company. Jackson & Sharp Plant 4
- American Iron and Steel Institute 4
- American Telephone and Telegraph Company 4
- Bauduy, Victorine du Pont, 1792-1861 4
- Bethlehem Steel Company 4
- Bradford, Phoebe George, 1794-1840 4
- Brandywine Hundred (Del.) 4
- Central Railroad of New Jersey 4
- Du Pont Motors, Incorporated 4
- Du Pont, Jean Kane Foulke, 1891-1985 4
- Du Pont, Margaretta Lammot, 1807-1898 4
- Du Pont, Richard C. (Richard Chichester), 1911-1943 4
- Du Pont, T. Coleman (Thomas Coleman), 1863-1930 4 ∧ less