Showing Collections: 351 - 400 of 1046
Abstract: Ellis Leroy "Lee" Hawk, Jr. (1926-2012) was a chemical engineer with Hercules Inc., and later the engineering director at Himont. He was involved in establishing polypropylene plants all over the world during the 1950s through the 1980s. This small collection consists of a scrapbook of photographs showing plant construction and a travel memoir written by Hawk about his career in the chemical industry. The memoir provides context for the scrapbook and an interesting portrait of an American businessman during the early stages of globalization.
Dates: circa 1990; 2005
Abstract: Elmer Sperry (1860-1930) was one of America’s electric pioneers. He founded the Sperry Gyroscope Company in order to develop, manufacture, and market marine gyrostabilizing devices. The papers document Sperry's research and development work and entrepreneurial activities.
Abstract: Elmer A. Sperry (1860-1930) was an electrical engineer who established the Electric Light, Motor, and Car Brake Company in 1883 and then founded the Sperry Electric Mining Machine Company in 1886. After selling his patents to General Electric, he went to work for the company as a consultant. This collection includes original materials, as well as copy work from other sources and images which show Sperry's inventions; there is some ephemera, family photos, employees, and views of the Sperry Company's Brooklyn drafting rooms.
Abstract: Elva M. Chandler (1900-1990) was an active clubwoman, active in many women's professional, church, and political organizations and president of the local Business and Professional Women's Club. She was best known for her involvement in the Delaware Federation of Business and Professional Women's Clubs (BPWC) and belonged to the Christina branch. Chandler's papers document her role in business and professional women's organizations and the changing role of women in business life from the 1950s to the 1970s.
Dates: 1917-1988; Majority of material found within 1965-1972
Abstract: The records consist of photocopies of miscellaneous documents of the Empire Steel and Iron Company, the originals of which are in the possession of the National Canal Museum at Easton, Pa. Most of them seem to have come from the Mount Hope site. There is another small collection of miscellaneous materials from the field office of the Mount Hope Mine at the New Jersey Historical Society.
Dates: 1857-1991; bulk 1903-1918
Abstract: Edith N. McConnell (1880-1968) was a confectioner and caterer in Wilmington, Delaware from the 1920s through the 1950s. This small collection consists of photographs of wedding cakes, table settings, and restaurant interiors in Wilmington and Newark, Delaware, mostly dating from around 1945.
Dates: circa 1925-1946
Abstract: The rise and fall of Enron Corp., a natural gas utility transformed into the world’s largest energy trader, followed a pattern of boom and bust familiar in the history of American business. The records in this collection belonged to Herbert “Pug” Winokur, a member of Enron’s board of directors and chair of its finance committee. He used these records to prepare for depositions associated with the Enron bankruptcy. This collection contains meeting minutes, supporting materials and other documents relating to the Department of Justice investigation into the Enron Corp. from 1997 to 2002.
Abstract: Epcot, the Experimental Prototype Community of Tomorrow, opened in 1982. It was conceived by Walt Disney to "take its cue from the new ideas and new technologies that are now emerging from the creative centers of American industry." This booklet is a guide to the attractions at Future World and the World Showcase at the EPCOT Center in Florida. It also includes advertising matter for Eastman Kodak Company disc and instant cameras. Eastman Kodak Company, commonly known as Kodak, is best known for photographic film products, which it produced throughout most of its history. In 1982, Kodak launched the Kodak Disc film format for consumer cameras
Abstract: The Erie City Iron Works in Erie, Pennsylvania, was a major manufacturer of boilers, stationary and portable engines, and machinery for sawmills and steam riveting. These are five reproductions of nineteenth century photographs from the Erie City Iron Works. One is an exterior of the plant. The four others are posed photographs of employee groups.
Abstract: The Erie City Iron Works was founded by Pennsylvania capitalist Bethuel Boyd Vincent (1803-1876) as the Presque Isle Foundry in 1840. The Works was a major manufacturer of boilers, stationary and portable engines and machinery for sawmills and steam riveting as well as railroad freight and passenger cars. Their records are largely comprised of accounting records.
Abstract: The Erie City Iron Works in Erie, Pennsylvania, was a major manufacturer of boilers, stationary and portable engines, and machinery for sawmills and steam riveting. The collection consists of technical diagrams of engines.
Dates: circa 1912-1924
Abstract: This collection consists of the business records of Ernest Dichter and the several consulting firms through which he operated fully document his role as a pioneer of motivational research, from the beginnings of his career in the United States until a few months before his death.
Dates: 1936-1991; Majority of material found within 1956-1986
Abstract: Ernest Dichter (1907-1991) was one of the pioneers in consumer motivational research. He started his own consulting business in 1946. It was incorporated in New York as the Institute for Research in Mass Motivations, Inc. in 1952 and renamed the Institute for Motivational Research, Inc. in 1955. This collection consists of photographs, negatives, slides, contact sheets, and audio cassettes.
Abstract: Ernest du Pont (1880-1944) and his elder brother Francis Irenee du Pont (1873-1942) founded the U.S.F. Powder Company in 1919, which produced flashless cannon powder. This item is a cabinet card photograph of Ernest du Pont (1880-1944) as a young child.
Dates: circa 1883
Abstract: Ernest Munster (1885-1965) was an attorney and organized Lawyers International Corporation in 1930, with its office in New York City. Munster, the company's president, continued his association with the company through at least the mid-1940s. The Ernest Munster papers reflect his work which necessitated his familiarity with international trade and incorporation laws and taxation policies. The collection primarily consists of records Munster maintained during his years as president of Lawyers International Corporation, with some papers dating back to his employment with International Corporation Company in the late 1930s.
Dates: 1917-1946; Majority of material found within 1930-1939
Abstract: Eugene Blery (1805-1887) was a French artist, engraver and lithographer. This collection contains two etchings of pastoral views of Nemours in Normany, France. One depicts the French ancestral home of the du Pont family.
Dates: 1851; 1870
Abstract: Eugene du Pont Jr. (1873-1954) was a director of the E.I. du Pont de Nemours & Company from 1917 until 1954, and a great grandson of company founder, Éleuthère Irénée du Pont (1771-1834). The papers of Eugene du Pont Jr. include reports to the DuPont Company Board of Directors by the executive committee and the treasurer of the DuPont Company. In addition, there are several copies of letters to du Pont family members.
Abstract: Eugene du Pont Jr. (1873-1954) was a director of the E.I. du Pont de Nemours & Company from 1917 until 1954, and a great grandson of company founder, Éleuthère Irénée du Pont (1771-1834). The collection contains the personal papers of Eugene du Pont, Jr., and the records of the Kinloch Gun Club, a private shooting club which he founded. It also contains a separate collection of correspondence between his brother Alfred I. du Pont, vice president and general manager of the DuPont Company, with his assistant Frank L. Connable, which is an important source for the history of the company in the early 1900s.
Abstract: Eugene S. Ferguson (1916-2004) was one of the founders of the discipline of the history of technology, both through teaching at Iowa State University and the University of Delaware and by working at the Smithsonian Institution and the Hagley Museum. This collection documents the first twenty years of the history of technology as an academic discipline, and networking among its practitioners.
Dates: 1937-2001; Majority of material found within 1960-1995
Abstract: The Everett Worthington Inc. records contain correspondence, purchase orders, design requests, and contractual letters. Clients include, but are not limited to, Stromberg-Carlson, Cincinnati Victor Company, Coca-Cola, Toastmaster, Story & Clark Piano Company, Gillette Safety Razor Company, Robert W. Irwin Company, Waterbury Clock Company and General Motors. Renderings, sketches and photographs detail completed projects. Chicago's 1933 A Century of Progress International Exposition, and the 1936 Great Lakes Exposition in Cleveland, Ohio are well represented. Everett E. Worthington was an industrial designer whose career began in 1915 in San Francisco, and continued in Chicago and New York City.
Abstract: Remington Arms Company is one of the oldest American manufacturer of firearms and ammunition the largest producer of shotguns and rifles in the United States. This film is a documentary short on target shooting, featuring a demonstration by expert marksmen.
Dates: circa 1960s
Abstract: The Textile Fibers Department of the DuPont Company was established in 1936 (known then as the Rayon Department) which specialized in researching and developing synthetic fibers for fabrics such as Rayon, Nylon, Teflon, Corian, and Kevlar. This collection consists of materials once housed in the library of the Experimental Station and culled after the sale of the textile fibers business. The collection has been arranged into six series: Vertical file; Translation logs; Miscellany; Project indexes; Publications; Speeches.
Dates: 1906-1998; Majority of material found within 1938-1993
Abstract: The DuPont Experimental Station is a large industrial research facility founded in 1903; focused on chemistry research. This collection consists primarily of group photographs of new employees in the Central Research Department at DuPont's Experimental Station in Wilmington, Delaware for the years 1922 to 1959. All individuals pictured are identified.
Abstract: The Belin plant in Moosic, Pennsylvania was built by the DuPont Company in 1908 for the production of black powder, which it was doing by 1912. This collection consists of photographs of the aftermath of an explosion that occurred there on August 1, 1930.
Abstract: The Paris Colonial Exposition was a six month exhibit held outside of Paris, France in 1931 displaying the culture and resources of the colonial possessions of France. Opening May 6, 1931, the exhibition was visited by an estimated crowd of seven to nine million people. This collection includes twenty eight photographs of architectural renderings of buildings at the exposition, two photographs of models of buildings, six photographs of the actual buildings (some under construction), and one portrait photograph of M. Marcel Oliver (circa 1880s-1940s), an organizer of the event and former Governor-General of Madagascar. Each photograph is stamped on the back and has the name of the architect responsible.
Overview: Exposition Internationale of 1937, was held in Paris, France from 25 May to 25 November. The full title of the exhibition was, Exposition Internationale des Arts et Techniques dans la Vie Moderne, which translates to the International Exposition of Art and Technology in Modern Life. The viewbook contains ten postcards of views of the Exposition Internationale held in Paris in 1937. These show both aerial views and images of the exteriors of buildings
Abstract: This collection consists of thirty-five glass negatives and one box. It documents locations in Philadelphia, Pennsylvania’s Fairmount Park system. While the photographer is unidentified, and the images are undated and unlabeled, most images appear to depict Wissahickon Valley Park, historically part of the Fairmount Park system.
Dates: after 1908
Abstract: The Ferracute Machine Company of Bridgeton, New Jersey was a press and die business founded by Oberlin Smith (1840-1926), inventor, writer, manufacturer in 1863. The collection consists of materials assembled by Arthur J. Cox for the preparation of the company history, Ferracute: The History of an American Enterprise (1985). This collection has been arranged into seventeen series: Administration; Advertising; Employees; History; Machine tools; Military work; Unions; Patents; Press work; Frederick A. Parkhurst (FAP) Time Studies; Miscellany; Scrapbooks; Drawings; Orders; Payrolls; Press cards; and Account books.
Dates: 1863-1982; Majority of material found within 1937-1963
Overview: F.F. Slocomb Corporation was a manufacturer of special machinery and component parts. The Company was established as F.F. Slocomb & Company in 1898, in Wilmington, Delaware by Frank F. Slocomb (1860-1931). This collection consists largely of unidentified loose photographs of machinery produced by the company. There are six views taken on the shop floor; some of these show workers.
Abstract: F.H. Dow & Company was a manufacturer of chocolates and candy. This album contains of photographs from F.H. Dow & Company of Boston, Massachusetts, showing various box designs for Utopian chocolates.
Dates: circa 1910-1920
Abstract: The DuPont Company is a chemical company which commercially produces synthetic fibers such as Kevlar. This collection consists of three pieces of artwork which were created for the DuPont Company Textile Fibers Department and hung in a shared work area. The artwork are photostats and are signed “ELF”. The three pictures show various small, cheerful animals making synthetic fiber by three different methods that are actually used (in slightly more sophisticated form) industrially.
Dates: circa 1970
Abstract: Items with a specific and limited use, created with the intention of being discarded after serving their purpose, are called ephemera. This collection consists of mixed-format ephemera from various endeavors within American culture, primarily the manufacturing and selling of products or services.
Dates: circa 1848-1968
Abstract: Established in 1909, Finnesey & Kobler manufactured delivery wagons and carriages. This collection consists of thirteen builders photographs of wagons made by Finnesey & Kobler, N.E. corner Brown and 27th Streets, Philadelphia. Each wagon is posed in front of the office and warehouse.
Abstract: E.I. du Pont de Nemours & Company is a chemical company more commonly referred to as the DuPont company. The company was established in 1802 and began with the production of gunpowder. Collection consists of five photographs, four of which are exterior views of historic structures in Wilmington. Two fire companies are pictured, the Friendship Firehouse in the late 1800s and the fire station of Company No. 1
Dates: 1876-circa 1940
Abstract: The Fitz Water Wheel Company specialized in the manufacture of water wheels and small power plants, although it also manufactured grain dryers and blowers. John Fitz (1847-1914), who succeeded his father as head of the firm, developed the modern steel overshot water wheel. These photographic prints are transfers from the Fitz Water Wheel Company manuscript collection. They document different residential and commercial sites where Fitz Water wheels were installed.
Abstract: This is a hand-colored lithograph by Thomas Sinclair (1807-1881) of Philadelphia showing the wharf area and in the background the town area of Florence, New Jersey, a nineteenth century leisure destination on the Delaware River in Burlington County.
Abstract: Floyd Hollenbeck (1920-2002) worked for Trimfit Hosiery, a distribution company for Hanes Hosiery Mills Company. Hanes Hosiery Mills Company was established in 1901. Hanes was an early adoptor of manufacturing nylon hosiery which was created in 1938. Hanes Hosiery Mills researched and developed seamless pantyhose by the mid-1960s. This collection contains twenty-four stereoviews of the Hanes Hosiery Mills Company Winston-Salem manufacturing plant and offices.
Dates: circa 1965
Abstract: The Foote Concrete Machinery Co. manufactured road building machinery. Brothers, Chester T. Foote (1863-1918) and Charles E. Foote (1858-1938) were inventors and concrete contractors in Nunda, New York. They founded the Foote Concrete Machinery Co. in 1903. Foote Concrete Machinery Co. photographs is a small collection of images of road building machinery showing various angles, details of equipment, and pavers in use with workmen crews.
Dates: 1913-1936; 1955; undated
Abstract: World's Fairs or International Expositions are large-scale exhibitions that highlight technology, agriculture and other innovations of national or cultural significance. The New York World's Fair took place in Flushing Meadows, Queens from April 30, 1939 to October 31, 1940. The theme was "The World of Tomorrow." This item is the sheet music for the official song of the 1939/1940 New York's World's Fair.
Abstract: Built in 1899, Fort DuPont was the headquarters for the Coastal Defense command area which included the Delaware River and Bay. This panoramic photograph shows an exterior view of buildings (including officers quarters) and parade grounds at Fort DuPont.
Abstract: Francis Bannerman Sons was a major purveyor of military goods to sportsmen and collectors in New York City over three generations. The collection consists of photographs of Francis Bannerman and his family, including his wife, Nelly Boyce Bannerman, and his sons, David and Francis. The collection also includes photographs of Bannerman's Island Arsenal, including images of the 1969 fire in full blaze and its destructive aftermath.
Dates: circa 1870-1970; bulk 1969-1970
Abstract: The records of Francis Bannerman Sons are typical of a small family business in their lack of formal structure. Basically, they document Bannerman's purchase of military goods from state and federal arsenals and their resale to individuals, with other regular purchases of arms and military antiques made on buying trips to Europe. General account books that would show the performance of the business as a whole are either missing or were never kept at all.
Abstract: Francis Bannerman Sons was a major purveyor of military goods to sportsmen and collectors in New York City over three generations. The collection consists of miscellaneous photographs, negatives, postcards and ephemera pertaining to the weapons and military memorabilia business run by Francis Bannerman and to Bannerman's philanthropic and leisure activities.
Dates: circa 1900-1920
Abstract: Francis I. du Pont (1873-1942) was a chemist, inventor, and stockbroker most celebrated for his involvement with the partnership of Francis I. du Pont and Company, stockbrokers in New York, and the Delaware Chemical Engineering Company in Wilmington. This collection contains a color photograph of a portrait of Francis I. du Pont painted by Gordon Stevenson (1892-1984).
Abstract: Francis Victor du Pont (1894-1962) was a civil engineer and political figure in Delaware and Maryland. This collection combines papers and memorabilia of Francis Victor du Pont and those of his parents and ancestors.
Dates: 1804-1961, bulk 1915-1960
Abstract: Frank A. Weer (1932-2019) was a white-collar railroad employee who spent most of his career with the Reading Company, and after the transfer of railroad operations in 1976, with Consolidated Rail Corporation (Conrail). This collection is a small portion of a much larger collection of official railroad company documents, maps and drawings. Documents are primarily those of the Reading Company, Pennsylvania Railroad Company, Penn Central Transportation Company and Consolidated Rail Corporation (Conrail).
Abstract: Based in Wilmington, Delaware, Frank Earle Schoonover (1877-1972) was a prolific commercial illustrator, artist, and avid photographer. Over the course of a six-decade career, he completed more than twenty-five hundred works, primarily illustrations for magazines and books but also landscapes, portraits, murals, book plates, sculpture, and stained-glass windows. This collection consists of negatives taken by Schoonover, largely for use as source material for his artwork. There are also images of his artwork, restoration projects, and him, his family, and friends.
Dates: 1898-1972; Majority of material found within 1898-1911
Abstract: Frank R. Zebley (1883-1960) was a Delaware native collector, photographer, author, and one-time speaker of the Delaware House of Representatives. He published Along the Brandywine and The Churches of Delaware. The Frank R. Zebley photograph albums includes nearly 1500 black and white photographs from the city of Wilmington, locations around Delaware, southeastern Pennsylvania, and other places of interest in the mid-Atlantic region.
Abstract: Colonel Franklin T. Matthias (1908-1993) was commanding officer and area engineer of the Hanford Engineer Works of the Manhattan Engineer District. These are Colonel Matthias's personal papers documenting his work on the Manhattan Project. They include original declassified documents from Hanford and a variety of newspaper clippings and magazine articles collected by Matthias between the time he left Hanford to his death, reflecting his continuing interest in the Manhattan Project and nuclear power.
Abstract: Fred L. Bechly (1924-2004) was an electrical engineer who worked for RCA's Camden, New Jersey, plant, where he aided in the invention of the Tricolor Kinescope Monitor, which became the standard for color television. His papers describe his work with RCA in television and video recording from 1944 to 1983.
- Audiovisual Collections 669
- Manuscripts and Archives 350
- Published Collections 27
- Advertisements 97
- Railroads 87
- Correspondence 60
- Gunpowder industry 58
- Exhibitions 56
- Chemical industry 52
- Explosives industry 49
- Portraits 37
- Postcards 36
- Aeronautics 35
- Ephemera 34
- Financial statements 34
- Textile industry 34
- Automobile industry and trade 33
- Exhibition buildings 33
- Electronic industries 32
- Group portraits 32
- Steel industry and trade 32
- Photograph albums 30
- Research, Industrial 29
- Panoramic photographs 28
- Wilmington (Del.) 28
- Construction projects 27
- Factories 27
- Railroads -- Rolling stock 26
- Iron industry and trade 24
- Marketing 24
- Testing laboratories 24
- Patents 23
- World War, 1939-1945 23
- Planographic prints 22
- Reports 22
- Textile fibers, Synthetic 22
- Posters 21
- Scrapbooks 21
- Aerial photographs 20
- Coal mines and mining 19
- Industrial design 19
- Ships 19
- Du Pont family -- Homes and haunts 18
- Packaging -- Design 18
- Powder mills 18
- Railroad stations 18
- Steel-works 18
- Weapons industry -- Employees 18
- Chemical plants 17
- Sales promotion 17
- Social history 17
- Blast furnaces 16
- Genealogies 16
- Industrial films 16
- Industrial safety 16
- Iron and steel workers 16
- Minutes 16
- Pennsylvania 16
- Account books 15
- Airplanes 15
- Historic sites 15
- Business and politics 14
- Dyes and dyeing 14
- Finishes and finishing 14
- Gunpowder, Smokeless 14
- Inventors 14
- Papermaking 14
- Television 14
- Trade associations 14
- Computer industry 13
- Gardens 13
- Industrial chemists 13
- Industrial housing 13
- Investments 13
- Oral histories 13
- Philadelphia (Pa.) 13
- World War, 1914-1918 13
- Dwellings 12
- Electric industries 12
- Glass negatives 12
- Industrial buildings 12
- Maps 12
- Steam locomotives 12
- Textile factories 12
- Viewbooks 12
- Anthracite coal industry 11
- Banks and banking 11
- Diaries 11
- Display of merchandise 11
- Household electronics 11
- Hunting 11
- Recreation 11
- Technical drawings 11
- Timetables 11
- Women employees 11
- Biography 10
- Brandywine Creek (Pa. and Del.) 10
- Commerce 10
- Domestic relations 10
- Dynamite 10
- Executives 10
- Interior decoration 10
- Machine shops 10 ∧ less
- English 1037
- French 7
- German 1
- Italian 1
- Spanish; Castilian 1
- E.I. du Pont de Nemours & Company 119
- Unknown 51
- Du Pont family 48
- Vinson, Z. Taylor 28
- Pennsylvania Railroad 26
- RCA Corporation 17
- E.I. du Pont de Nemours & Company. Experimental Station 16
- Dick, John A., 1879-1972 14
- New York World's Fair (1939-1940 : New York, N.Y.) 12
- New York World's Fair (1964-1965 : New York, N.Y.) 11
- Savery, Thomas H., 1837-1910 11
- World’s Columbian Exposition (1893 : Chicago, Ill.) 10
- Du Pont, Pierre S. (Pierre Samuel), 1870-1954 8
- Eleutherian Mills (Greenville, Del. : Estate) 8
- Bethlehem Steel Corporation 7
- Centennial Exhibition (1876 : Philadelphia, Pa.) 7
- E.I. du Pont de Nemours & Company. Chestnut Run Laboratories 7
- E.I. du Pont de Nemours & Company. Textile Fibers Department 7
- Joseph Bancroft & Sons Co 7
- Reading Company 7
- Southeastern Pennsylvania Transportation Authority 7
- Amtrak 6
- Baldwin Locomotive Works 6
- Century of Progress International Exposition (1933-1934 : Chicago, Ill.) 6
- Gentieu, Pierre A., 1842-1930 6
- Greenewalt, Crawford H., 1902-1993 6
- Hagley Museum and Library 6
- International Business Machines Corporation 6
- Jackson Laboratory (E.I. du Pont de Nemours & Company) 6
- Lehigh Valley Railroad Company 6
- Radio Corporation of America 6
- Baltimore and Ohio Railroad Company 5
- Budd Company 5
- Du Pont, Alfred I. (Alfred Irénée), 1864-1935 5
- Du Pont, Eleuthère Irénée, 1771-1834 5
- Du Pont, Irénée, 1876-1963 5
- E.I. du Pont de Nemours & Company. Brandywine Works 5
- E.I. du Pont de Nemours & Company. Carney's Point Works 5
- E.I. du Pont de Nemours & Company. Central Research and Development Department 5
- E.I. du Pont de Nemours & Company. Hagley Yard 5
- E.I. du Pont de Nemours & Company. Pioneering Research Laboratory 5
- General Electric Company 5
- Hagley Museum and Library. Library. Oral History Project Office 5
- Loewy, Raymond, 1893-1986 5
- Louisiana Purchase Exposition (1904 : Saint Louis, Mo.) 5
- Penn Central Transportation Company 5
- Ramsay, William G. (William Gouverneur), 1866 - 1916 5
- Victor Talking Machine Company 5
- American Iron and Steel Institute 4
- American Telephone and Telegraph Company 4
- Bethlehem Steel Company 4
- Brandywine Manufacturers Sunday School 4
- Central Railroad of New Jersey 4
- Du Pont, Richard C. (Richard Chichester), 1911-1943 4
- E.I. du Pont de Nemours & Company. Engineering Department 4
- E.I. du Pont de Nemours & Company. Organic Chemicals Department 4
- E.I. du Pont de Nemours Powder Company 4
- General Motors Corporation 4
- Kwolek, Stephanie, 1923-2014 4
- Lea family 4
- Longwood Gardens (Kennett Square, Pa.) 4
- Lukens Steel Company 4
- National Association of Manufacturers (U.S.) 4
- Philadelphia & Reading Railroad Co 4
- Pusey and Jones Company 4
- Remington Arms Company 4
- Savery, William H., 1865-1949 4
- Sperry Rand (Corporation). Univac Division 4
- University of Delaware 4
- Watson, Robert B. 4
- Aircraft Owners and Pilots Association 3
- All American Engineering Company 3
- American Car and Foundry Company 3
- Avon Products, Inc 3
- Bannerman family 3
- Bannerman's Island Arsenal (Fishkill, N.Y.) 3
- Baughman, James P. 3
- Brandywine Hundred (Del.) 3
- Carothers, Wallace Hume, 1896-1937 3
- Christ Church Christiana Hundred (Greenville, DE) 3
- Christ Church Christiana Hundred Sunday School 3
- Cinecraft Productions, Inc 3
- ConRail 3
- Dallin, J. Victor (John Victor), 1897-1991 3
- David Sarnoff Library 3
- DeMirjian, Charles H., 1925- 3
- Delaware, Lackawanna and Western Railroad Company 3
- Du Pont Motors, Incorporated 3
- Du Pont de Nemours, Pierre Samuel, 1739-1817 3
- Du Pont, Charles I. (Charles Irénée), 1797-1869 3
- Du Pont, Sophie Madeleine, 1810-1888 3
- Du Pont, Victor Marie, 1767-1827 3
- Du Pont, William, 1855-1928 3
- E.I. du Pont de Nemours & Company. Chamber Works 3
- E.I. du Pont de Nemours & Company. Elastomer Chemicals Department 3
- E.I. du Pont de Nemours & Company. Pompton Lakes Works 3
- E.I. du Pont de Nemours & Company. Public Relations Department 3
- E.I. du Pont de Nemours & Company. Repauno Works 3
- Erie City Iron Works 3
- Hanford Engineer Works 3 ∧ less