Showing Collections: 51 - 100 of 1541
All American Engineering Company was an aeronautical engineering and research firm which was incorporated on October 31, 1952. The company was originally a division of All American Aviation, Inc. This small collection of photographs depicts air pick-up testing, airplanes, equipment, and personnel.
All American Engineering Company was an aeronautical engineering and research firm which was incorporated on October 31, 1952. The company was originally a division of All American Aviation, Inc. This collection consists primarily of films. There is a small amount of photographs which corresponds directly to the film material. The collection is organized into two series: Films and Photographs, both series are arranged alphabetically. Dating from 1937 to 1984, the Films series documents the company’s innovations in the aviation industry, including pickup and recovery systems, catapults and arresting gear. The photographs document different design projects and tests; most of this research was related to the aviation industry. There are photographs of the facilities at the DuPont Airport on Centre Road near Greenville, Delaware, and the Georgetown, Delaware, test plant. Richard du Pont and other personnel appear in some of the images.
The engineering and research unit of All American Aviation, once the principal feeder airline for the mid-Atlantic region, became the All American Engineering Company in 1953. Their records document the early evolution of All American Aviation, the development of its system of air pick-up service, and its use in postal and military applications.
All American Engineering Company was an aeronautical engineering and research firm that was incorporated on October 31, 1952. The records consist of scrapbooks of newspaper clippings and news releases that document the development, testing, and applications of the company's products.
The Allen D. Cardwell Manufacturing Corporation was a major producer of radio and telecommunications equipment during the twentieth century. Cardwell sold its products to the United States Government, major corporations, and individual consumers. The records contain technical information such as patents and design drawings, as well as a vast array of sales and promotional material from the 1920s.
Horatio Allen (1802-1889) was a noted civil engineer and inventor, who worked with the Delaware & Hudson Canal Company, the South Carolina Canal and Railroad Company, the Croton Aqueduct, and the New York & Erie Railroad. The bulk of his the papers is personal correspondence (1818-1864), and biographical materials collected by his family. Also included is a small collection of Allen's business papers, particularly concerning his work on the New York & Erie Railroad.
A collection amassed by a retired conductor successively employed by the Pennsylvania Railroad, Penn Central, Conrail and Amtrak. It consists partly of company publications and documents collected on the job, and partly of advertisements, timetables, brochures, maps and other railroadiana from many different companies bought from dealers and other collectors. It is particularly useful for the Amtrak manuals relating to things like consumer satisfaction, employee health and safety and equipment maintenance.
Allen H. Tweddle (1949-) is a retired railroad conductor and avid collector of railroadiana. Railroadiana are artifacts related to current or former railways. This small collection consists of photographs, prints, and note cards related to railroad locomotives. There are photographs of train stations, train cars and engines and one stereoview showing an elevated railway street scene of New York City. There is an album containing many different Amtrak trains, several blotters from the Association of American Railroads, and a few series of note cards. Notably there is a large collection of railroad locomotive trading cards from the Topps Chewing Gum Company series called "Rails and Sails" published in 1954.
Allen P. Carter (1906-2006) was the manager of the Service Department of Du Pont Motors Inc. and then Du Pont Motors Service Company. His papers are a series of fragments covering his association with Du Pont Motors Inc. and automobile racing and restoration.
The Allied Kid Company was a major manufacturer of kid leather and suede; it was one of the most important specialty leather firms in Wilmington. The records are a miscellaneous collection of Allied Kid Company materials preserved by Alexander Ulin of the Specialty Division of the company in Wilmington. The bulk of the records consist of laboratory and production notebooks giving chemical formulae and instructions for tanning and dyeing batches of hides, including calfskin, goatskin, and suede.
Amalgamated Leather Companies, Inc. manufactured black and colored glazed kid and other classes of leather used largely in making shoes in the early to mid-twentieth century. This collection consists of four photographs of employees at various events, and one factory exterior. There is also a color label.
Amelia Elizabeth du Pont (1796-1869) was a granddaughter of Pierre Samuel du Pont de Nemours (1739-1817) founder the E.I. du Pont de Nemours & Company, a chemical research, and manufacturing company. She was the eldest child of Victor Marie du Pont (1767-1827) and Gabrielle Josephine de la Fite de Pelleport (1770-1837). The collection contains a photocopy of the act of the Senate and House of Representatives of the State of Delaware by which Amelia Elizabeth du Pont's (1796-1869) marriage to Nathaniel Perkins, alias Nathaniel H. Clifford, was dissolved and a declaration that their child Gabrielle du Pont (1813-1891) was legitimate.
Amelia Elizabeth du Pont (1796-1869) was a granddaughter of Pierre Samuel du Pont de Nemours (1739-1817), founder of the E.I. du Pont de Nemours & Company, a chemical research and manufacturing company. She was the eldest child of Victor Marie du Pont (1767-1827) and Gabrielle Josephine de la Fite de Pelleport (1770-1837). The collection is a microfilm of selected papers pertaining to the Pennsylvania property owned by du Pont.
This collection contains two pieces of sheet music: "Volume for Victory," the song of the A.C.F. (American Car and Foundry Company) and "Hamiltonia," song of the Hamilton Watch Company. The American Car and Foundry, Company was founded in 1899 and is still considered a leading American manufacturer of railcars and railcar parts. The Hamilton Watch Company was founded in Lancaster, Pennsylvania in 1892. Among other milestones, it produced the first electric wristwatch in 1957 and the first digital watch in 1970. The Hamilton brand is currently owned and manufactured by the The Swatch Group out of Switzerland.
American Car and Foundry Company is a manufacturer of railroad rolling stock and railcar parts, founded in 1899. In 1901, the company began leasing the facilities of a railroad rolling stock and shipbuilding manufacturer, the Jackson and Sharp Company. The records include photocopies of a history of the Wilmington plant, incorporation papers, and deeds.
American Car and Foundry Company is a manufacturer of railroad rolling stock and railcar parts, founded in 1899. In 1901, the company began leasing the facilities of a railroad rolling stock and shipbuilding manufacturer the Jackson and Sharp Company. From the end of World War One to 1938, the plant built small pleasure boats. These photographs document different activities at the American Car and Foundry Company Jackson and Sharp Plant shipyard in Wilmington, Delaware, during World War II. There are several photos taken on the occasion of the presentation of the Army-Navy "E" award in 1942.
American Car and Foundry Company is a manufacturer of railroad rolling stock and railcar parts, founded in 1899. In the company's early years, American Car and Foundry Company constructed its railcars from wood. Additionally, the company engaged in architectural millwork for buildings. This collection features twenty-five copy photographs of building interiors and exteriors with emphasis on wooden architectural elements.
Decalcomania is the process of transferring pictures or designs from specially prepared paper to glass, ceramic, metal, or other material. The American Decalcomania Company was a major decalcomania company in the early twentieth century in the United States. This collection is an undated loose leaf album showing samples of American Decalcomania Company's commercial decal products.
The records of the American Iron and Steel Institute and its predecessors provide an overview of the American iron and steel industries from their roots in the mid-eighteenth century to the early 1980s. The bulk of the archive consists of the Institute's library. Most of the Institute's own publications, plus a large collection of steel industry annual reports, are cataloged individually and stored in the general Imprints Department stacks.
The American Iron and Steel Institute is a trade association of North American steel producers. The group’s mission includes advocating for public policy, education and innovation for the Iron and Steel Industry. The Institute was established under the leadership of Elbert H. Gary (1846-1927) in 1908, after the Panic of 1907 brought an end to industry-wide consolidations. This collection consists of photographs, research notes, audio, film, and video which document the history of the steel industry. The images cover the entire scope of the steel industry from basic raw materials through the multiple aspects of steelmaking. In addition to images documenting the technical aspects of steel production, there are photographs showing steel in use. These include a variety of industrial and consumer applications and images related to the steel industry and environmental issues. The Albert T. Keller (1869-1940) photographs depict the sites or remains of early ironworks primarily in the mid-Atlantic states and New England states during the 1930s and there are over fifty blast furnace complexes pictured. The Walter C. Woodman (1903-1979) photographs and research notes document the history of iron furnaces and Saugus Iron Works becoming a national historic landmark.
The American Meat Institute (AMI) is a large trade organization for the meat and poultry industry. Founded in 1906 as the American Meat Packers Association in Chicago. During World War II, the AMI stressed the importance of a balance diet in order to keep both civilians and servicemembers strong and healthy. The AMI produced many posters to promote their efforts. This poster shows categories of food along with how many servings is recommended daily.
The National Railroad Passenger Corporation (Amtrak) first began operations on May 1, 1971, following the passage of the Rail Passenger Service Act of 1970. Through the passage of the Railroad Revitalization and Regulatory Reform Act of 1976, Congress authorized the Northeast Corridor Improvement Project (NECIP), a comprehensive program with the goal of improving intercity rail passenger service between Washington, D.C., through New York City, to Boston, the most heavily used passenger train corridor in the United States. Records related to Amtrak's involvement in the NECIP include preliminary and ongoing technical and financial reports, leases and agreements, as well as minutes, agendas, and other working project files.
The National Railroad Passenger Corporation, Amtrak, is a passenger rail service in the United States. This item is a standard twelve-month calendar, with an image on the top portion of each month featuring an Amtrak train.
Andrew Campbell (1821-1890) was an important inventor and manufacturer of printing presses and president of the Campbell Printing Press Company of Brooklyn, New York. His papers include biographical data, correspondence, accounts, patents and records concerning Campbell's inventions.
Andrew Gray Wilson (1844-1905) was well-known among shipbuilders as a preeminent marine engineer and naval architect. This small collection consists of genealogical papers related to the Wilson family, as well as the Driver family and the Merritt family of New York.
The Ann Hillyard in this contract might be Ann Hillyard (1824-1895) who married Richard Watkins (1799-1878), but it is not confirmed. This item is a photostat copy from microfilm of Ann Hillyard indenture to Alan Wood (1800-1881). Wood operated Alan Wood Iron and Steel Company in Conshohocken, Pennsylvania.
Anna J. Schwartz (1915-2012) was an American economist who worked at the National Bureau of Economic Research in New York City. The collection consists of a microfilm copy of an unpublished paper by Schwartz collecting banking statistics for the states of Pennsylvania (1829-1863) and New York (1831-1863), along with an extended essay describing their derivation.
Anna Lea (1849-1927) was the daughter of William Lea (1805-1876) and Jane Scott Lovett (1817-1888). Since the 1770s, the Lea family were among the largest flour mill operators at the Brandywine Falls, north of Wilmington, Delaware. This item is a carte-de-visite photograph album which contains portraits of the Lea and related families, primarily the families of William and Jane Scott Lea’s children (Anna’s siblings, their spouses, nieces, nephews, and friends).
Ansco G. Bruinier, Jr. (1898-1993) was the Technical Advertising Manager for the Dyestuffs Division, Organic Chemicals Department at DuPont in the mid-twentieth century. His papers, which are fragmentary and include both work and personal documents, give insight into World War II and post-war era corporate sales and advertising strategies. Included in his work papers are interoffice correspondence, DuPont departmental organizational charts, and Dyestuffs Division advertisement proofs used in various trade journals representing the cotton, wool, paper, and textiles industries.
Ansco G. Bruinier, Jr. (1898-1993) served as the DuPont Company’s Technical Advertising Manager for its Organic Chemicals Department, Dyestuffs Division at Deepwater, New Jersey, from the 1930s until his retirement in 1963. In 1917, the Jackson Laboratory was established at Deepwater, New Jersey, as a major production facility for dyestuffs. This small collection consists of photographs which document a selection of highlights of Bruinier's career working in the Jackson Laboratory and in the Organic Chemicals Department. The photographs date from 1919 through 1969.
Anthony Morris (1766-1860) was a lawyer and merchant of Philadelphia. Morris was active in the East India trade. Morris's letters are largely concerned with business affairs, administration and sale of lands, and state politics. The letters date from 1800 to 1808.
Anthony Morris (1766-1860) was a lawyer and merchant of Philadelphia. Morris was active in the East India trade. This collection includes two letterbooks and one ledger. The letterbooks are mostly concerned with his business affairs. The letters date from 1787 to 1800. His ledger includes household accounts and records of expenses on voyages to China, India and England. The ledger dates from 1800 to 1806.
The Antietam Woolen Manufacturing Company was a small textile mill in Funkstown, Maryland and operated a domestic store in Hagerstown. The collection represents an incomplete record of a small textile mill company in the early nineteenth century. The records include bills, orders, accounts, inventories and cost estimates. Of particular interest are a series of reports on visits to similar mills operated by Du Pont, Bauduy & Company near Wilmington, Delaware, and by Fisher & Gougher in Germantown, Pennsylvania, with notes on workers, machinery and administrative methods.
Apollo 15 was the fourth manned lunar landing mission. The three-man crew was made up of David R. Scott (1932-), Alfred J. Worden (1932-), and James B. Irwin (1930-1991). The E.I. du Pont de Nemours & Company is a chemical company more commonly referred to as the DuPont company. DuPont materials were used in whole or in part for twenty of the twenty-one layers of the Apollo spacesuits. This is a NASA photograph of James Irwin on moon, August 1, 1971. Attached are strips naming the twenty-one different layers of his space suit.
Archibald Johnston (1864-1948) was a mechanical engineer, who joined the Bethlehem Iron Company in 1889 where he was responsible for the erection of the gun forging and armor plate plant. In 1901 he was elected to the company's Board of Directors, and between 1906 and 1908 was president of the Bethlehem Steel Corporation. The bulk of this collection is concerned with Johnston's work at Bethlehem Steel; a smaller portion consists of strictly personal papers.
Archmere Academy is a private college preparatory school founded in 1932 on the former John J. Raskob (1879-1950) estate in Claymont, Delaware. The collection contains architectual drawings of various floors, bathrooms, and other rooms in the Academy.
The Delaware Antiques Show includes guest speakers and antique dealers to display American antiques and decorative arts. Arminda du Pont (1927-1997) was the founder and the first chairperson of the Delaware Antiques Show. Henry Francis du Pont (1880-1869) was a major collector of American decorative arts, his home, became the Winterthur Museum in 1951. This collection includes one candid photograph of Arminda du Pont (Mrs. E. I. du Pont) and Henry Francis du Pont at the 1967 Delaware Antiques Show.
Arnold M. Kneitel (1923-2012) worked for E.I. du Pont de Nemours & Co., Inc. in sales and corporate information. He worked on sales of mylar when it was introduced in 1954. The collection consists primarily of 35mm slides of displays, advertisements, and presentations on mylar, including its use in electronic equipment and, primarily in magnetic tape for information processing equipment.
Arnold M. Kneitel (1923-2012) worked in the Film Department of E.I. du Pont de Nemours & Company, specializing in marketing research for Mylar polyester film. His papers are related to his career he preserved at home and include ephemera relating to the marketing of Mylar and papers on office management information systems and the early years of word processing, among other items.
Arthur D. Hall (1924-2006) was a systems engineer who spent the first part of his career with Bell Telephone Laboratories and later taught at the University of Pennsylvania and conducted an independent consulting business. In the latter capacity he developed a patented automated agricultural production system that the called "Autofarm," but was unable to make the leap from invention to true innovation. It was an early, but failed attempt at "green" farming. The Arthur D. Hall III papers represent a portion of his total archive that survived at the time of his death and was removed from his home office in Fredericksburg, Virginia. The main focus of the papers is Hall's work to develop Autofarm and his unsuccessful attempts to secure funding and market the concept to paying customers. There are smaller amounts of material dealing with his career at Bell Labs and his writing and publishing efforts.
Arthur Wood Tocher (1919-2005) was a transportation history enthusiast, specializing in large vehicles with an emphasis on trucks. This collection consists of truck and car related images. The bulk of the collection contains photographs that Tocher took at truck shows in the late 1990s and early 2000s. The collection also includes images of construction vehicles, postcards of classic cars, a calendar with images of classic trucks, and a large truck photograph mounted on wood.
Founded in 1861, the Artisans Savings Bank of Wilmington, Delaware assisted working people to save and make money available for home mortgages. This collection primarily consists of their financial records.
The Associated Factory Mutual Fire Insurance Companies comprised twenty-eight mutual insurance firms that specialized in industrial fire insurance. The collection consists of seventy original hand-colored plans and maps primarily depicting textile mills, paper products factories and foundries in New England and New York.
The Associated General Contractors of America formed in 1918 as a trade organization representing the interests of the construction industry. Initially organized as a response to the demands placed on contractors during the First World War, today the Association has over 26,000 member firms. The records of the Associated General Contractors of America consist of annual convention and board meeting reports; minutes, digests of action, and resolutions of the executive committee; an unpublished history of the organization, and general and internal policy statements.
Atlantic Aviation was begun by Henry Belin du Pont (1898-1970) in 1927 to provide services for business aviation. In 1948 it moved from the Du Pont Airport to the new New Castle County Airport south of Wilmington, Delaware. Soon it expanded to other airports around the country. The collection includes portraits and views of Atlantic Aviation facilities at various airports. There are also a few photographs of airplanes, including the Spirit of St. Louis.
The Atlantic Dynamite Company was one of the largest manufacturers of dynamite in the United States between 1882 and 1904. These are four volumes containing entries listing employees, hours worked, and wages paid at a dynamite plant at Kenvil, New Jersey.
Incorporated in 1912, Atlas Powder Company functioned as an independent explosives and chemicals company until 1971, when it was purchased by Imperial Chemical Industries Limited (U.K.) and became its American affiliate under the name ICI Americas, Inc. The collection consists of minutes, reports, and correspondence from Atlas in addition to both predecessor and subsidiary companies.
The Atterbury family, specifically brothers John Guest Atterbury (1811-1887) and William Wallace Atterbury (1823-1911), and John's son William Wallace Atterbury (1866-1935), were descendants of a London bank house representative and Huguenot family. John was a lawyer and later a Presbyterian minister, as was William. The younger William was a career officer for the Pennsylvania Railroad. The Atterbury family papers consist primarily of the personal papers of the younger W.W. Atterbury as preserved by his family, along with a few items from his father and uncle.
Aurora Gun Club is a private target shooting organization and social club. It has had six locations since its founding in 1895 by brothers Eugene du Pont (1873-1954) and Alexis I. du Pont (1869-1921), are all centered in the area around Wilmington, Delaware. The records of the Aurora Gun Club are comprised of records collected by the club presidents and treasurers from approximately 1955 through 2006. The records range from membership rosters, club bulletins and shoot results to financial records.
Austin Homer (1896-1974) was president of J.E. Caldwell Company, jewelers, silversmiths, and antiquarians in Philadelphia. Homer was a well-known business executive and was recognized as one of the nation's foremost authorities on contemporary and antique silver. He was also involved in designing children's toys. His papers consists of correspondence, speeches, patents, notebooks, and sketches while he was president of J.E. Caldwell Inc., and correspondence, contracts, sketches, and prototypes when he was a toy designer.
- Manuscripts and Archives 863
- Audiovisual Collections 676
- Published Collections 2
- Correspondence 238
- Railroads 116
- Advertisements 99
- Gunpowder industry 79
- Social history 77
- Chemical industry 75
- Explosives industry 67
- Exhibitions 64
- Financial statements 53
- Textile industry 48
- Research, Industrial 43
- Steel industry and trade 43
- Textile fibers, Synthetic 40
- Exhibition buildings 39
- Iron industry and trade 39
- Reports 39
- Account books 37
- Portraits 37
- Ephemera 36
- Patents 36
- Electronic industries 35
- Postcards 35
- Scrapbooks 35
- Ships 34
- Diaries 33
- Minutes 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 25
- 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
- Blast furnaces 19
- Chemical plants 19
- Maps 19
- Pennsylvania 19
- Business and politics 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
- Computer industry 17
- Historic sites 17
- Industrial housing 17
- Philadelphia (Pa.) 17
- Railroads -- Buildings and structures 17
- Speeches 17
- Wages 17
- World War, 1914-1918 17
- Banks and banking 16
- 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
- Dwellings 14
- Electric industries 14
- Mechanical engineering 14
- Papermaking machinery 14
- Public relations 14 ∧ less
- English 1487
- 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
- Du Pont, Pierre S. (Pierre Samuel), 1870-1954 13
- Joseph Bancroft & Sons Co 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
- 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
- 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
- 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. 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, 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 ∧ less