Showing Collections: 251 - 300 of 1526
Abstract: For what appears a brief moment in early aviation history, the Wright Brothers competed their airplanes in public demonstrations. The Curtiss Exhibition Co.'s Glenn Curtiss piloted one of his biplanes, and Walter Brookins piloted a Wright biplane. Three photos show the Curtiss biplane on the beach before take-off with a Boardwalk crowd nearby. Two others show the Curtiss and Wright airplanes separately in flight.
Abstract: Windsor Farms is one of Richmond's first planned neighborhood, primarily of Colonial Revival design. Architects included Duncan Lee, William Lawrence Bottomley, and C.W. Huff Jr. This collection includes plans, elevations, details, and typed specifications for a house built for Eugene E. du Pont (1914-1995) by architect C.W. Huff Jr.
Abstract: Cyril C. Thompson (1892-1976) had a long career in the accounting, management and public relations sides of the aviation industry, joining near the beginning of commercial aviation in 1928 and retiring just as the era of commercial jets began. Thompson was as an executive of United Air Lines for eighteen years, and later an airport planner, consultant, and prolific author and speaker. The papers of Cyril C. Thompson consist of a selection of items that he retained as mementos of the different stages of his career, plus materials and drafts for an unpublished biography of Idaho Senator William E. Borah and a never-completed personal history of United Air Lines on which he was working at the time of his death.
Dates: 1921-1976; Majority of material found within 1928-1955
Abstract: This collection represents materials collected by Cyrus J. Sharer for his research on the iron and steel industry and particularly the world iron ore trade. The main emphasis is on the iron ore trade of the Great Lakes. The period covered, mid-1960s to mid-1980s, was one of crisis and reorganization in the American steel industry and in the lake ore trade, and this is reflected in the records.
Abstract: The Dallin Aerial Surveys Company produced aerial photographs for newspapers, businesses, municipalities, and private individuals. The company was founded in 1924 by Colonel J. (John) Victor Dallin (1897-1991), a Royal Flying Corps-trained pilot who served in World War One. During WWI he became involved in aerial photography on a reconnaissance mission during the latter stages of the war. This collection consists of over 13,000 aerial photographs primarily of the Mid-Atlantic region taken between 1925 and 1941. The company made vertical and oblique aerial photographs of factories, private estates, schools, country clubs, towns, airports, rivers, and many other sites and some news events of the day. The subject with the largest number of views is the city of Philadelphia.
Abstract: Daniel Cauffiel (1867-1930) was a merchant, real estate developer, and entrepreneur of Johnstown, Pennsylvania and Wilmington, Delaware. The Daniel Cauffiel papers depict his career as a small business entrepreneur and as an agent or employee of the du Pont family and in their various businesses.
Abstract: Daniel Rochford (1900-1989) spent the bulk of his career as a publicist in the Employee Relations Department of the Standard Oil Company. Before joining Standard Oil in 1944, he worked a series of jobs trying to utilize his skills in publicity and public relations throughout the 1930s and early 1940s. Rochford's papers are a mix of business and personal items, assembled over the course of his varied career.
Abstract: Science and Corporate Strategy is a scholarly history of Research and Development at the DuPont Company authored by David A. Hounshell (1950-) and John Kenly Smith (1951-). The collection consists of research files compiled by Hounshell Smith for the purpose of writing the book. Research files include copies of correspondence, articles, reports, patents, chronologies, organizational charts, and contracts from the DuPont Company from 1903 though 1980.
Abstract: David Harrison Cope (1913-2001) held a lifelong interest in railroads and, in particular, steam locomotives. He began collecting photographs at an early age. This collection primarily consists of black and white photographs and negatives of steam locomotives from a variety of railroads, but it includes some other rolling stock, station photos, related railroad items such as coaling stations and some street railroads, interurbans, and trolley images.
Abstract: David Sarnoff (1891-1971) was president of the Radio Corporation of America (RCA), one of the country’s leading manufacturers and vendors of radios, phonographs, and televisions. He established the David Sarnoff Library, to house his private papers and professional records. The collections developed further with the acquisition of papers of former RCA executives, scientists, and engineers. There are twenty collections from the David Sarnoff Library. Cumulatively it includes thousands of linear feet of documents, reports, photographs, films, and publications detailing the rise and fall of the Radio Corporation of America (RCA) and of Sarnoff, its longtime leader. The list of links in this resource will take you to the finding aids for collections within the David Sarnoff Library at Hagley.
Abstract: The David Sarnoff Library was established at the David Sarnoff Research Center in Princeton, New Jersey in 1967 as a showcase for the accomplishments of long-time Radio Corporation of America (RCA) head David Sarnoff. After five years of activity, the Library was largely moribund until the arrival of Alex Magoun as Curator (later Executive Director) in 1998. Under his leadership, the Library expanded its mission to include the history of RCA in general and the David Sarnoff Research Center in particular. Due to lack of funding, the David Sarnoff Library closed in 2009. The collection documents the creation and evolution of the Library through board of directors records, correspondence, reports, oral histories, and photographs.
Abstract: David Sarnoff (1891-1971) was the iconic leader of the Radio Corporation of America (RCA) for most of the company's history. For many years the only Jewish executive in the communications field, Sarnoff was highly influential in the development of radio and television. The focus of the David Sarnoff papers is the original David Sarnoff Collection assembled by Sarnoff to celebrate his career. However, the papers also include the extensive photographic, publicity, and administrative files created by his staff at RCA and a substantial audiovisual component.
Abstract: The David Sarnoff Research Center (DSRC) in Princeton, New Jersey was the central research organization for the Radio Corporation of America (RCA) from 1942 to 1987. Following GE’s acquisition of RCA in 1986, the DSRC was donated to SRI International as a contract research laboratory. Renamed the Sarnoff Corporation in 1997, it was integrated into SRI in 2011. The records document the pioneering research of its scientists and trace the history of the organization from its establishment into the twenty-first century.
Dates: 1899-2008; Majority of material found within 1942-1995
Abstract: David Thomas (1794-1882) was a Pennsylvania iron manufacturer who introduced into the United States the use of anthracite coal in the manufacture of pig iron. The papers consist of typed transcripts twelve letters, the bulk of which were sent by David Thomas to his niece, Jane Harris Bowen, and nephew, David Harris, in Wales. The letters deal primarily with family news, but Thomas also writes about general business conditions, the level of prices and wages and the Civil War.
Abstract: David Thomas (1794-1882) was a Pennsylvania iron manufacturer who introduced into the United States the use of anthracite coal in the manufacture of pig iron. The papers consist of twenty-eight letters received by Thomas between May 1839 and 1842. They contain important new information on one of the textbook examples of nineteenth century technology transfer.
Abstract: The D.E. Jones Company, and its successor, Edith N. McConnell, were caterers and confectioners in Wilmington, Delaware. The records consist of recipe books, account books, and ledgers that identify individual and corporate customers, and describe types of food prepared for and purchased by clients, who were generally entertaining guests.
Abstract: The Chicago Railroad Fair was the first exposition after the Second World War and 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. This is a postcard of the narrow gauge Deadwood Central train that carried visitors around the fairground.
Abstract: Oliver Canby (1716-1754) was a miller on the Brandywine Creek. This collection of deeds and indentures documents the acquisition of mills or mill seats, and other lands near the Brandywine Creek in Wilmington, Delaware by the Canby family. This collection was in the possession and care of the Canby family until it was given to Hagley Museum and Library in 2011 by a descendant of Oliver Canby.
Dates: 1719-1855; Majority of material found within 1790-1855
Abstract: The Delaware and Bound Brook Railroad Company was incorporated in 1874, for the purpose of forming a second railroad route between the cities of New York and Philadelphia. Their records consist primarily of basic corporate documents such as minutes, account books, annual reports to the I.C.C., and agreements.
Abstract: The Delaware Coach Company was originally incorporated as the Wilmington & Philadelphia Traction Company on June 25, 1910, and operated an electric street railway line from Wilmington, Delaware, to Chester, Pennsylvania, and to Philadelphia. Throughout the early twentieth century, the company purchased stock in and leased numerous electric railway, transportation, and utilities companies in the Wilmington and Chester areas. In 1941, it changed its name to the Delaware Coach Company as trackless trolleys and buses replaced electric streetcars. Included are official documents and correspondence; personnel and financial records; public relations files; land deeds; legislation; labor agreements and contracts; equipment, fare, and route policies; ordinances; minute books, and other miscellaneous material created by Delaware Coach and its predecessor electric streetcar companies.
Dates: 1814-1973, bulk 1940-1966
Abstract: The Delaware Construction Company was a building company, constructing residential houses in downtown Wilmington, Delaware. It was founded in 1909 as a subsidiary of the National Real Estate Trust Company, which provided loans and financing for the properties. This small collection consists of five blueprints of houses by E. Olney Sherman, dated 1910 for Delaware Construction Co.
Abstract: Horace Holden Thayer, Jr. (1878-1959) was a naval architect, mechinical engineer, and businessman. Between 1909 and 1914 Thayer worked for the Delaware Construction Company which was a building company, constructing residential homes in downtown Wilmington, Delaware. This collection contains photographs of fifteen homes taken between 1910 and 1914. The images are of exterior views only.
Dates: circa 1910-1914
Collection — Box: GL 1
Abstract: St. Andrew's congregation was founded in 1829 in Wilmington, Delaware. This collection contains two Delaware Engagement Calendars, "Historical Edition 1638-1840" and "Historical Edition 1840-1905" for calendar years 1958 and 1959 respectively.
Dates: 1958; 1959
Abstract: The Delaware, Lackawanna & Western Railroad was one of the largest and most prosperous anthracite mining and transporting companies in Pennsylvania.Their records consist of minutes of the DL&W and its two direct predecessors.
Abstract: The Delaware, Lackawanna & Western (DL&W) Railroad was one of the largest and most prosperous anthracite transporting and mining companies in Pennsylvania. This collection consists of dated and undated views of a boiler, breakers, collieries, fan houses, hoist, mule barns, pumps, shafts, steam plant, tunnels and an electric power plant in the anthracite mining areas in Lackawanna and Luzerne Counties of eastern Pennsylvania.
Abstract: This collection is three photographs of the razing of Delaware Memorial Hospital. When originally founded in 1887, it was called Homeopathic Hospital since that was the branch of medicine that was practiced there. In 1940, it was renamed Memorial Hospital. It continued to serve the public also providing allopathic care until it was razed in 1985.
Abstract: This item is a map of Delaware Park racetrack area showing property boundaries. Parking areas are identified. Buildings are numerically coded, but there is no corresponding key. William duPont, Jr. and Donald P. Ross designed and built Delaware Park Racetrack. Phillip T. Harris of Media, Pennsylvania was hired as the architectural engineer. The facility opened on June 26, 1937. Although the park closed briefly during the 1980s, over the years, it has expanded to include a full-service casino and other amenities
Abstract: Pierre S. du Pont incorporated the Delaware School Auxiliary Association in 1919 to finance the construction of new school buildings throughout Delaware. Between 1918 and 1940 he donated $5,000,000 to build some 120 schools. This collection contains photographs, almost all exterior, of 114 public elementary and secondary schools in Delaware.
Abstract: Aerial view showing crowded fairgrounds. The Delaware State Fair began as the Kent and Sussex County Fair in 1920, and is now known as the Delaware State Fair. 1928 was the last year the Delaware state fair was held at the Elsmere site.
Dates: circa 1925-1928
Abstract: Miscellaneous records including information about educational facilities in Delaware.
Abstract: Documents related to the Delaware State Trapshooting Championship, held at various locations throughout state, mainly Wilmington Trapshooting Association in Newark, Delaware and Silver Lake Sportsman's Association in Magnolia, Delaware. Also included are programs from the Grand American Trapshooting Tournament.
Abstract: Orlando Wootten (1909-1997) was the photographer for the Salisbury (Maryland) Daily Times and Wicomico Historical Society. Collection consists of documentary views of three flour and feeds mills from the Delmarva area
Abstract: Delaware Power & Light Company had its beginnings in the 1880s as a number of small power companies sprang up to provide electric service to the Delmarva Peninsula. These 1926 images document the construction of gas towers and substations at the Christiana and Brandywine power plants in the Wilmington, Delaware.
Abstract: A booklet produced by the American Iron and Steel Institute's Committee of Steel Plate Producers in the 1960s to illustrate imaginative and attractive designs in constructing community water-storage structures with steel.
Dates: circa 1965
Abstract: The Dimmick family were descendants of the founders of E.I. du Pont de Nemours & Company, a chemical research and manufacturing company. The collection contains a microfilm copy of correspondence between Joanna (Smith) du Pont (1815-1876) and her daughter, Joanna (du Pont) Dimmick (1854-1901), and letters from Sophie M. du Pont (1810-1888) to her niece, Dimmick, and the latter's step-daughter, Lavinia Elizabeth Dimmick (1874-1946). The letters are personal in nature, including du Pont family news.
Abstract: The Directors of Industrial Research (D.I.R.) is a forum for the exchange of ideas and information on topics of mutual interest for directors of America's foremost industrial research laboratories, formed in 1923. The records of the Directors of Industrial Research are an important collection, primarily because of their documentation of the development of industrial research. These records provide ample opportunity for the study of a powerful elite of corporate researchers, and a close-up view of certain aspects of the relationship between science and big business in the twentieth century.
Abstract: The Disposor Corporation was the sales agent for the General Fan Corporation of New York City in the 1930s. This collection consists of fourteen photographs of the General Fan Corporation's various mechanical products (ventilation and cooling units) on display at exhibits or installed in businesses, including a ship and restaurants. The album was put together by the Disposor Corporation for sales purposes.
Dates: circa 1930s
Abstract: Victor Herbert (1859-1924) was a composer, conductor and cellist. This item is sheet music of the Dodge Brothers March which was composed in honor of Horace E. Dodge (1868-1920).
Abstract: Domenico Mortellito (1906-1994) was a designer, muralist, and sculptor noted for working in plastics and other synthetic materials. The majority of the materials in this small collection deal with the design and execution of the DuPont Pavilion at the second New York World's Fair in 1964-1965, including correspondence, studies, drawings, and photos of the take-apart model of the original design.
Abstract: A match cover or a matchbook cover is a thin piece of cardboard that is folded around a set of match sticks. Chemist, John Walker (1781-1859) invented the match stick in 1827. Joshua Pusey (1842-1906?), an inventor and attorney patented matchbook covers in 1892. Within a short time hotels, restaurants, airlines, and all kinds of stores began advertising using matchbook covers. This is a small collection of matchbook covers consists advertising hotels, restaurants, banks, elections, products, and organizations. Most of the matchbook covers are from Texas and New Mexico with a few coming from other states.
Dates: circa 1950s
Abstract: Donald Fell Carpenter (1899-1985) was general manager of the Film Department at the DuPont Company. He graduated from the Massachusetts Institute of Technology (MIT) with a degree in engineering in 1922. Between 1927 and 1933 he held increasingly important managerial positions with the DuPont Viscoloid Company, and between 1933 and 1948 with the Remington Arms Company. In 1947 to 1948 he was a member of the Industrial Advisory Group to the U.S. Atomic Energy Commission. Broadly speaking, the materials in this small collection of his papers cover Carpenter's entire career, from his senior thesis at MIT (the design for an addition to his father's tinsmithing shop) to his involvement with political and civic affairs during his retirement.
Abstract: Donald Fell Carpenter (1899-1985) was General Manager of the Film Department at the DuPont Company. The collection consists of photographs, newspaper clippings, pamphlets and a few letters relating to Donald Carpenter's personal life and career.
Dates: circa 1920-1968
Abstract: Donald Robert Hull (1911-1995) was a longtime employee at the DuPont Company mainly working with nylon and textile fibers. The collection pertains to his work at DuPont and Hull's consulting firm, Fiber Concepts, Inc.
Abstract: Donald Robert Hull (1911-1995) was a longtime employee at the DuPont Company mainly working with nylon and textile fibers. The collection consists of four scrapbook albums of material from Donald Hull's career with the Du Pont Company.
Abstract: Donaldson Brown (1885-1965) was an industrialist and business executive with E.I. du Pont de Nemours and the General Motors Corporation. These papers relate to Brown's association with GM, and reflect his concern with financial policy, organization and operation, and employee relations. They are especially concerned with the period of World War II. Files from the 1920s and 1930s describe Brown's effort to relate pricing policies to financial control.
Abstract: Edward G. Bradford, II (1848-1928) was a federal judge on the United States District Court for the District of Delaware. He married Eleuthera Paulina du Pont in 1872. This collection consists of photographs of the du Pont family and estate, as well as numerous postcards.
Abstract: Pierre Samuel du Pont de Nemours (1739-1817) was a French political economist, writer, publisher, and public administrator. He was an advocate for a national educational system and promoted Franco-American trade relations. Françoise (Robin) Poivre (1748-1841) was the second wife of Pierre Samuel. Françoise Julienne Ile de France (Poivre) Bureaux de Pusy (1770-1845) was a daughter from Poivre's first marriage. This collection includes a small selection of correspondence, including details on the family's immigration to the United States from France and Bureaux de Pusy's financial problems.
Abstract: Pierre Samuel du Pont de Nemours was a French political economist, writer, publisher, and public administrator. He was an advocate for a national educational system and promoted Franco-American trade relations. Francoise (Robin) Poivre du Pont was his second wife. His grandson, Samuel Francis du Pont (1803-1865) was an Admiral in the United States Navy and fought in the Mexican-American War and the Civil War. This collection consists of twenty-three photocopied letters, primarily from Pierre Samuel du Pont de Nemours (1739-1817), but also Francoise du Pont de Nemours (1748-1831) and Samuel Francis du Pont (1803-1865). The correspondence is primarily to Marie Anne Lavoisier Thompson (1758-1836), a French chemist and close friend of the family.
Dates: 1788-1818; undated
Abstract: Pierre Samuel du Pont de Nemours (1739-1817) was a French political economist, writer, publisher, and public administrator. Françoise Robin du Pont (1748-1841) was the second wife of du Pont de Nemours. The collection contains photocopies of documents signed relating to both du Pont de Nemours, their prosperity, loans, and power of attorney.
Abstract: Pierre Samuel du Pont de Nemours (1739-1817) was a French political economist, writer, publisher, and public administrator. Françoise Robin du Pont (1748-1841) was the second wife of du Pont de Nemours. The collection contains copies of letters of both du Pont de Nemours to Monsieur de la Fontaine, Jacques Necker (1732-1804), Philippe Nicolas Harmand (1759-1838), and Francoise Gabrielle Clemence Harmand.
- Manuscripts and Archives 850
- Audiovisual Collections 674
- Published Collections 2
- Correspondence 236
- Railroads 115
- Advertisements 98
- Gunpowder industry 79
- Social history 77
- Chemical industry 74
- Explosives industry 65
- Exhibitions 64
- Financial statements 53
- Textile industry 48
- Research, Industrial 43
- Steel industry and trade 43
- Exhibition buildings 39
- Iron industry and trade 39
- Textile fibers, Synthetic 39
- Reports 38
- Account books 37
- Portraits 37
- Ephemera 36
- Patents 36
- Electronic industries 35
- Postcards 35
- Scrapbooks 35
- Ships 34
- Diaries 33
- Wilmington (Del.) 33
- Domestic relations 32
- Group portraits 32
- Aeronautics 31
- Minutes 31
- Construction projects 30
- Marketing 30
- Photograph albums 30
- Factories 29
- World War, 1939-1945 29
- Genealogies 28
- Inventors 28
- Panoramic photographs 28
- Railroads -- Rolling stock 28
- Testing laboratories 28
- Du Pont family -- Homes and haunts 27
- Industrial chemists 25
- Industrial design 25
- Papermaking 25
- Biography 24
- Oral histories 24
- Powder mills 24
- Dyes and dyeing 23
- Industrial safety 23
- Planographic prints 23
- Weapons industry -- Employees 23
- Automobile industry and trade 22
- Investments 22
- Coal mines and mining 21
- Gunpowder, Smokeless 21
- Packaging -- Design 21
- Railroad stations 21
- Aerial photographs 20
- Merchants 20
- Posters 20
- Blast furnaces 19
- Maps 19
- Pennsylvania 19
- Trade associations 19
- Business and politics 18
- Chemical plants 18
- Iron and steel workers 18
- Sales promotion 18
- Steel-works 18
- Technical drawings 18
- Textile factories 18
- United States -- History -- Civil War, 1861-1865 18
- Historic sites 17
- Industrial housing 17
- Philadelphia (Pa.) 17
- Speeches 17
- World War, 1914-1918 17
- Banks and banking 16
- Commerce 16
- Computer industry 16
- Firearms 16
- Industrial relations 16
- Laboratory notebooks 16
- Paper mills 16
- Railroads -- Buildings and structures 16
- Railroads -- Rolling stock -- Design and construction 16
- United States. Navy -- Officers 16
- Wages 16
- Europe -- Description and travel 15
- Finishes and finishing 15
- Gardens 15
- Industrial films 15
- Nylon 15
- Printing industry 15
- Receipts (Financial records) 15
- Dwellings 14
- Electric industries 14
- Mechanical engineering 14
- Papermaking machinery 14
- Real property 14 ∧ less
- English 1472
- French 62
- German 3
- Italian 2
- Spanish; Castilian 1
- Du Pont family 188
- E.I. du Pont de Nemours & Company 178
- 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
- New York World's Fair (1964-1965 : New York, N.Y.) 14
- Joseph Bancroft & Sons Co 13
- Savery, Thomas H., 1837-1910 13
- Du Pont, Pierre S. (Pierre Samuel), 1870-1954 12
- Longwood Gardens (Kennett Square, Pa.) 12
- New York World's Fair (1939-1940 : New York, N.Y.) 12
- Eleutherian Mills (Greenville, Del. : Estate) 11
- Pusey and Jones Company 11
- Centennial Exhibition (1876 : Philadelphia, Pa.) 10
- E.I. du Pont de Nemours & Company. Textile Fibers Department 10
- Greenewalt, Crawford H., 1902-1993 10
- Jackson Laboratory (E.I. du Pont de Nemours & Company) 10
- World’s Columbian Exposition (1893 : Chicago, Ill.) 10
- Carothers, Wallace Hume, 1896-1937 9
- Du Pont, Francis Gurney, 1850-1904 9
- Du Pont, Victor Marie, 1767-1827 9
- Loewy, Raymond, 1893-1986 9
- Pusey & Jones Corporation 9
- Reading Company 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
- 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
- National Association of Manufacturers (U.S.) 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. 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 & Company. Engineering Department 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
- 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, Alfred Victor, 1798-1856 4
- Du Pont, Charles I. (Charles Irénée), 1797-1869 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 ∧ less