- keyword(s): *
Showing Results: 1 - 50 of 329647
Abstract: James F. Allee Jr. (1884-1956), was a lawyer and publisher from Dover, in Kent County, Delaware. This collection contains six photographic prints from the J.F. Allee papers.
Dates: circa 1900
Abstract: Contains photographic prints from a family who once resided in Laurel, Delaware.
Dates: circa 1860
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).
Found in: Audiovisual Collections > John W. Macklem collection of DuPont Company powder yards photographs
Abstract: John W. Macklem (1867-1948) began working for E.I. du Pont de Nemours & Company as an errand boy at a young age and remained with the company his entire career. E.I. du Pont de Nemours & Company is a chemical company more commonly referred to as the DuPont company. This collection comprises photographs of buildings and scenes in DuPont Company explosives manufacturing plants along the Brandywine Creek near Wilmington, Delaware, including the Eleutherian Mills (or Upper) yard, the Upper Hagley yard, and the Lower Hagley yard.
Found in: Audiovisual Collections > The War Between the U.S. and Mexico Illustrated copy photographs
Abstract: This collection contains photographic prints of illustrations from George Wilkins Kendall's The War between the United States and Mexico, a publication from 1851.
Abstract: Marguerite du Pont Lee (1862-1936) was a descendant of Pierre Samuel du Pont de Nemours (1739-1817) who founded the E.I. du Pont de Nemours & Company with his son Eleuthere Irenee du Pont (1771-1834) in 1802. The E.I. du Pont de Nemours & Company is a chemical company more commonly referred to as the DuPont Company. This small collection consists of four items belonging to Marguerite du Pont Lee. Two individual portraits, a photograph of a gate, and a decorative leaf.
Abstract: Joseph Bancroft (1803-1874), an Englishman trained in textile weaving in Lancashire, established his own cotton mill on the Brandywine near Wilmington in 1831. The operation became the Joseph Bancroft & Sons Company in 1889. The photographs consist of images related to the Joseph Bancroft & Sons textile mills in the Rockford and, later, Kentmere areas on the banks of the Brandywine River. These images include plant exteriors and interiors, officials and employees, aerials, workers' housing, machinery, floods, and dams and races on Brandywine Creek.
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: John Farrell Metten (1873-1968) was a marine engineer and shipbuilding industry executive. This collection contains photographic prints, postcards, documents, drawings, and an identification card pertaining to the career of John Farrell Metten and views of Naval ships built at the New York Shipbuilding Company, Camden, New Jersey.
Dates: circa 1930s
Abstract: The Jackson and Sharp Company, a manufacturer of railroad passenger cars, was incorporated in Delaware on February 24, 1869, as the successor to the partnership of Jackson & Sharp. This collection contains copy photographic prints of the company plant.
Dates: before 1902
Collection — Box: GL 2
Abstract: Regulator, or pendulum, clocks were commonplace within domestic settings during the eighteenth and nineteenth centuries. This collection contains photographic prints of different style regulator clocks photographed in an unknown antique shop.
Dates: circa 1870
Abstract: This collection includes four copy photographic prints of Rowe family photographs, featuring large group portraits in unidentified settings, presumably the Village of Henry Clay area.
Dates: circa 1920s
Abstract: 170 Breck's Lane was owned by William Winder "Chick” Laird, Jr. (1910-1989) and served as workers' housing. Laird was the director of E. I. du Pont de Nemours and a financial advisor, starting his own brokerage firm in Wilmington, Delaware. This collection contains twenty photographic prints of various interior and exterior architectural views of 170 Breck's Lane before architectural rennovations by the owner.
Dates: circa 1820
Abstract: Le jardin des Plantes remains one of France's premier botanical gardens. This collection contains 1 lithograph color print and 2 photographic b&w prints featuring an aerial view of le Jardin des Plantes in Paris, France.
Dates: circa 1860
Abstract: Major Reybold was an iron excursion steamer, located in Philadelphia, Pennsylvania. This collection contains a photographic copy print of a painting of the steamship.
Abstract: E.I. du Pont de Nemours & Company is a chemical company more commonly referred to as the DuPont company. The DuPont Company's Carney's Point plant began manufacturing guncotton and smokeless powder in 1892. Francis “Frank” Pierre Gentieu (1876-1950) was a ballistic Engineer at Carney's Point from 1901 to 1941. On October 10 1925, a military, civic and industry party parade concluded a three-day celebration of the 250th anniversary of the founding of Salem, New Jersey. This collection features two photographs of the DuPont Smokeless Powder Works float entered in the 250th Anniversary parade in Salem, New Jersey.
Abstract: Hoopes Brothers & Darlington began in West Chester in 1867 manufacturing wooden spokes for wheels. By the eighteen-eighties it was one of the largest wooden wheel makers in the country. This collection contains photographs which show the steps involved in the making of wooden wheels from the delivery of the logs to the finished project.
Abstract: Thomas Lea (1757–1823) joined in partnership with Joseph Tatnall (1740–1813), and passed on the Tatnall-Lea grain mills in Wilmington, Delaware to his son William Lea (1805-1876), who took over operation of the mills in 1837. In 1864, William Lea brought his sons Henry Lea (1839-1888) and Preston Lea (1841-1916) into the firm, changing the name to William Lea & Sons Company. This collection includes portraits of members of the Lea and related families. These include such family names as Tatnall, Warner, Preston, Ferris, Downing, Spruance, Lovett, Moore, Bush, Ely, and others.
Dates: circa 1845-circa 1920
Abstract: Carolyn Mann Irving (1891-1987) was the wife of Evelyn du Pont Irving (1886-1968), nephew and one of the heirs of the prominent author Washington Irving's estate. The collection consists of forty-two prints (engravings or lithographs) and two photographic prints which were collected by Carolyn M. Irving. Subjects include animals; Andrew Jackson political cartoons; battle and war images; du Pont related images; European landscapes, town scenes and cathedrals; fashion and religious images.
Dates: circa 1700-1918
Abstract: E. Sachse & Company was a nineteenth century printing company located in Baltimore, Maryland. This item is a color lithograph of an overview of Wilmington, Delaware, looking north from south of the Christiana River.
Dates: circa 1865
Abstract: George A. Richardson (1886-1976) was an engineer with an expertise in metallurgy, he spent his career primarily involved in technical publicity and sales for major steel manufacturers such as the Midvale Steel & Ordnance Company and the Bethlehem Steel Corporation. This collection of photographs and negatives was primarily taken by George Atwell Richardson throughout the course of his career while working for Midvale Steel and Ordnance Company and the Bethlehem Steel Corporation. The images document views of steel plants and operations, as well as steel products mostly taken between 1913 and 1929. The collection has been organized into five series: Midvale Steel and Ordnance Company; Cambrian Steel Company; Bethlehem Steel Corporation; Exhibits, and Other steel and coal companies.
Found in: Audiovisual Collections > York Oil Burner Company's industrial oil burning equipment album
Abstract: The York Oil Burner Company was a manufacturer of oil-fired residential and commercial oil heating equipment. This collection consists of one album containing 80 black & white photographic prints of industrial equipment of the York Oil Burner Co., Inc. Many of the photographs are interior views of building basements showing York Oil Burner Co. equipment installed in the building's furnace system.
Dates: circa 1936
Abstract: Cazenove Gardner Lee, Jr. (1882-1945) was a genealogist and prolific writer, who founded the Society of Lees of Virginia. This collection conists of photographs and negatives relating to family and career of Cazenove Gardner Lee, Jr. The images are primarily of various gunpowder mills and machinery.
Dates: circa 1900-1925
Abstract: The pulp keg mill was built around 1904 to manufacture an experimental design of black and smokeless powder container made essentially from paper. This album contains photographic prints of the construction of the pulp keg mill in the Hagley Yard of E.I. du Pont de Nemours & Co. near Wilmington, Delaware around 1902 through 1905.
Dates: circa 1902-1905
Abstract: Morgan Paper Company plant manufactured tissue paper. The plant located in Lititz, Pennsylvania was built by John H. Wickersham Engineering and Construction Company. The collection contains four photographic prints of Morgan Paper Company plant.
Dates: circa 1930
Abstract: E.I. du Pont de Nemours & Company was established as a black powder manufacturer in 1802 by Pierre Samuel du Pont de Nemours (1739-1817) and his son Eleuthère Irénée du Pont (1771-1834). The du Pont’s purchased a mill site on the banks of the Brandywine River just North of Wilmington, Delaware. This collection contains nineteen photographs of DuPont Company explosives plants, including Hagley Yard, Eleutherian Mills yard, possibly Wapwallopen, and the Pennsylvania plant.
Dates: circa 1900
Abstract: Coatesville is a city along the Brandywine River in Chester County, Pennsylvania. This item is a booklet containing 16 postcards with images of sites in and around Coatesville, Pennsylvania.
Dates: circa 1920
E.I. du Pont de Nemours & Company, Inc., Carney's Point Works and workers housing panoramic photographs
Found in: Audiovisual Collections > E.I. du Pont de Nemours & Company, Inc., Carney's Point Works and workers housing panoramic photographs
Abstract: The DuPont Company purchased the land for a smokeless powder plant at Carney's Point, New Jersey (across the Delaware River from Wilmington, Delaware) in 1890. In 1892 it produced its first guncotton, and then the first smokeless powder. This collection consists of twenty panoramic photographs of Carney's Point smokeless powder plant, including exteriors of various buildings and groups of workers.
Found in: Audiovisual Collections > E.I. du Pont de Nemours & Co., Inc., Parlin, New Jersey plant panoramic photographs
Abstract: In 1904 the DuPont Company purchased the International Smokeless Powder and Chemical Company, which was then producing smokeless powder and nitrocellulose products in their plant in Parlin, New Jersey. This collection consists of seven panormaic photographs that show views of the Parlin, New Jersey plant, including views of production facilities and worker housing.
Dates: 1918; 1925
Found in: Audiovisual Collections > E.I. du Pont de Nemours & Co., Inc. Deepwater Point Works panoramic photographs
Abstract: The DuPont Company constructed a dye works at Deepwater Point, New Jersey (also called just Deepwater, New Jersey) during World War I to enter the market for dyes left vacant by Germany's absence. This collection consists of fifteen panomaric photographs of views of the Deepwater Point, New Jersey dye works of the DuPont Company, including ground before building started, building exteriors, and a group portrait of employees of the Jackson Laboratory.
Found in: Audiovisual Collections > E.I. du Pont de Nemours & Co., Inc. Haskell Works panoramic photographs
Abstract: In 1902, DuPont took control of Laflin & Rand, including the Haskell Works. Infallible and Ballistite powders were manufactured there. The works played an important role in smokeless powder production during World War I. The panoramic photographs depict views of the Du Pont Company's smokeless powder works in Haskell, New Jersey and the workers village nearby.
Dates: circa 1920
Found in: Audiovisual Collections > E.I. du Pont de Nemours & Co., Inc. Repauno Works panoramic photographs
Abstract: E.I. du Pont de Nemours & Company Repauno Works manufactured high explosive dynamite. The company began as the Repauno Chemical Company on June 7, 1880, by Lammot du Pont (1831-1884), a chemist working for the family business, E.I. du Pont de Nemours & Company, a chemical company which originally produced gunpowder. The panoramic photographs show two views of the dynamite works and workers village at the DuPont Company's Repauno Works.
Dates: 1919; 1926
Abstract: The Indiana Ordnance Works was built by the DuPont Company for the U.S. Government beginning in 1940. It manufactured military explosives, propellants, and smokeless powder. The panoramic photographs show overviews of the Indiana Ordnance Works facilities, Charlestown, Indiana.
Found in: Audiovisual Collections > E.I. du Pont de Nemours & Co., Inc. Experimental Station and Country Club panoramic photograph
Abstract: The DuPont Company's Executive Committee established the Experimental Station, a research facility located on the banks of the Brandywine Creek across from DuPont's first black powder works. The panoramic photograph provides an overview of the DuPont Company Experimental Station and Country Club, outside of Wilmington, Delaware. It shows temporary structures and construction for expansion of the Experimental Station.
Dates: circa 1947
Found in: Audiovisual Collections > E.I. du Pont de Nemours & Co., Inc. Guncotton plant panoramic photographs
Abstract: The DuPont Company purchased a site near City Point, Virginia on the James River in 1912 in order to build a dynamite plant located closer to the southern market. The panoramic photographs show exteriors of the plant, views of the workers' housing, the town (including the African American section), and a photograph of the Hopewell China Corporation, a post-war reuse of one of the facilities.
Dates: 1918-circa 1920
Trojan Chemical Company loading plant, war workers, plant officials, and employees panoramic photograph
Found in: Audiovisual Collections > Trojan Chemical Company loading plant, war workers, plant officials, and employees panoramic photograph
Abstract: The Allentown Non-Freezing Powder Co. built this plant in 1903 to manufacture commercial explosives using its proprietary ingredient, nitrostarch. The panoramic photograph shows employees of the Trojan Chemical Company explosives plant in Seiple, Pennsylvania.
Dates: 1918 November 26
Found in: Audiovisual Collections > E.I. du Pont de Nemours & Co., Inc. Racine explosive plant engineers panoramic photograph
Abstract: In 1918, the company opened an additional plant in Racine, Wisconsin to increase the production of smokeless powder to meet the growing demand in order to support the war effort. This panoramic photograph shows a group of engineers outside of the plant.
Dates: circa 1914-1918
Abstract: Quarrying is the act of extracting natural stones to use in building materials. Throughout the 1920s quarries were the largest employers of African Americans. This collection consists of two panoramic photographs of unidentified quarries, one with workers, one without.
Dates: circa 1920
Abstract: DuPont American Industries was formed in 1918 as a holding of the E.I. du Pont de Nemours & Company in order to purchase a substantial portion of General Motors and Chevrolet stock. This item is a portrait of a large group of male employees of DuPont American Industries.
Dates: 1918 June 19
Abstract: The oil fields in Burkburnett Texas are well-known for being an abundant source of petroleum. This item is a panoramic photograph which shows oil wells and buildings.
Found in: Audiovisual Collections > E.I. du Pont de Nemours & Co., Inc. Pompton Lakes panoramic photographs
Abstract: In 1902 the DuPont Company acquired the Smith Electric Fuze Company and some other properties in the Pompton Lakes, New Jersey area. DuPont continued the manufacture of fuses, blasting caps, and other blasting supplies at the plant, adding a shell plant and other facilities. One panoramic photograph shows an overview of the DuPont Company plant at Pompton Lakes, New Jersey, 1918, and the other is a group portrait of staff, August 25, 1943.
Dates: 1918; 1943
Found in: Audiovisual Collections > Plant Patrol Division, Military Explosives plant panoramic photograph
Abstract: During World War II, the DuPont Company was contracted to produce smokeless powder, TNT and DNT explosives for the military. This panoramic photograph is a group portrait of uniformed guards at a military explosives plant in Memphis, Tennessee, 1941.
Dates: 1941 March 5
Found in: Audiovisual Collections > E.I. du Pont de Nemours & Co., Inc. dynamite works panoramic photograph
Abstract: The Louviers dynamite works began production in 1908 and provided explosives primarily for mines in the region. The panoramic photograph shows a view of the DuPont Company dynamite works at Louviers, Colorado, including the magazine area, powder line, and overall view.
E.I. du Pont de Nemours & Co., Inc. Jackson and Technical laboratories at the Dye Works panoramic photographs
Found in: Audiovisual Collections > E.I. du Pont de Nemours & Co., Inc. Jackson and Technical laboratories at the Dye Works panoramic photographs
Abstract: The Jackson Laboratory and the Technical Laboratory was established by E.I. du Pont de Nemours & Company at its Deepwater, New Jersey, in 1917 and 1920 respectively to manufacture and research dyes. This collection consists of two panoramic photographs of exteriors of the laboratories.
Found in: Audiovisual Collections > E.I. du Pont de Nemours & Co., Inc. Spruance plant panoramic photograph
Abstract: In 1927 the DuPont Company constructed a plant to manufacture viscose rayon. This panoramic photograph depicts an overview of the DuPont Company's Spruance Plant in Richmond, Virginia.
Dates: 1935 March 12
Found in: Audiovisual Collections > E.I. du Pont de Nemours & Co., Inc. Neoprene B plant panoramic photographs
Abstract: The Neoprene B plant was located at DuPont's Deepwater Point, New Jersey site, which was later named the Chambers Works. This collection consists of three panoramic photographs showing the construction of the Neoprene B plant.
Found in: Audiovisual Collections > E.I. du Pont de Nemours & Co., Inc. Old Hickory plant panoramic photographs
Abstract: The War Department of the United States Government contracted with the DuPont Company to build and run a smokeless powder plant called the Old Hickory plant on the Cumberland River near Nashville, Tennessee during World War I. These panoramic photographs show overall views of DuPont Company's Old Hickory smokeless powder plant, also views of exterior and interior details.
Found in: Audiovisual Collections > E.I. du Pont de Nemours & Co., Inc. Penniman shell loading plant panoramic photographs
Abstract: The DuPont Company acquired a site on the York River in Virginia on which they planned to build a dynamite plant. The U.S. Government took over the property in 1918 and got the DuPont Company to build a shell loading plant instead. These three panoramic photographs show overall views of the shell loading plant at Penniman, Virginia during World War I.
Abstract: Wawaset Park was a planned residential community built by the DuPont Company around 1918 for its executives in Wilmington, Delaware. These panoramic photographs depict construction of homes and overall views of area, street scenes, and pictures of individual houses.
Abstract: The Bridesburg Machine Works of Alfred Jenks & Son were manufacturers of cotton and wool carding spinning and weaving machinery, shafting and millgearing. The lithograph shows the plant exterior, people in the street, and a delivery wagon carrying textile machinery. Vignettes of machines surround the main view.
Dates: circa 1856
- Manuscripts and Archives 166324
- Audiovisual Collections 124402
- Published Collections 35509
- Archival Record 325108
- Organization 1192
- Subject 1080
- Person 1078
- Collection 1046
- Advertisements 104
- Railroads 89
- Correspondence 74
- Gunpowder industry 59
- Exhibitions 56
- Chemical industry 52
- Explosives industry 50
- Portraits 40
- Financial statements 38
- Aeronautics 37
- Ephemera 37
- Postcards 36
- Textile industry 35
- Automobile industry and trade 34
- Exhibition buildings 33
- Group portraits 33
- Steel industry and trade 33
- Electronic industries 32
- Factories 30
- Photograph albums 30
- Research, Industrial 30
- Television 30
- Construction projects 29
- Patents 29
- World War, 1939-1945 29
- Panoramic photographs 28
- Wilmington (Del.) 28
- Marketing 27
- Railroads -- Rolling stock 27
- Scrapbooks 26
- Textile fibers, Synthetic 26
- Iron industry and trade 25
- Reports 24
- Testing laboratories 24
- Posters 23
- Industrial design 22
- Planographic prints 22
- Aerial photographs 21
- Coal mines and mining 21
- Ships 21
- Packaging -- Design 20
- Blast furnaces 19
- Railroad stations 19
- Computer storage devices 18
- Du Pont family -- Homes and haunts 18
- Industrial films 18
- Powder mills 18
- Sales promotion 18
- Social history 18
- Steel-works 18
- Weapons industry -- Employees 18
- Account books 17
- Chemical plants 17
- Genealogies 17
- Minutes 17
- Vacuum-tubes 17
- Industrial safety 16
- Iron and steel workers 16
- Pennsylvania 16
- Airplanes 15
- Business and politics 15
- Gunpowder, Smokeless 15
- Historic sites 15
- Investments 15
- Maps 15
- Technical drawings 15
- World War, 1914-1918 15
- Computer industry 14
- Dyes and dyeing 14
- Electric industries 14
- Finishes and finishing 14
- Gardens 14
- Industrial housing 14
- Inventors 14
- Oral histories 14
- Papermaking 14
- Trade associations 14
- Biography 13
- Executives 13
- Industrial chemists 13
- Philadelphia (Pa.) 13
- Diaries 12
- Dwellings 12
- Glass negatives 12
- Hunting 12
- Industrial buildings 12
- Speeches 12
- Steam locomotives 12
- Textile factories 12
- Viewbooks 12
- Anthracite coal industry 11
- Banks and banking 11
- Display of merchandise 11
- Domestic relations 11
- Dynamite 11
- Employees' magazines, newsletters, etc. 11
- Household electronics 11
- Railroads -- Buildings and structures 11
- Railroads -- Employees 11
- Recreation 11 ∧ less
- English 2168
- Spanish; Castilian 899
- German 54
- Portuguese 36
- French 8
- E.I. du Pont de Nemours & Company 120
- 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
- E.I. du Pont de Nemours & Company. Chestnut Run Laboratories 8
- Eleutherian Mills (Greenville, Del. : Estate) 8
- Bethlehem Steel Corporation 7
- Centennial Exhibition (1876 : Philadelphia, Pa.) 7
- E.I. du Pont de Nemours & Company. Textile Fibers Department 7
- International Business Machines Corporation 7
- Joseph Bancroft & Sons Co 7
- Lehigh Valley Railroad Company 7
- Reading Company 7
- Southeastern Pennsylvania Transportation Authority 7
- Amtrak 6
- Baldwin Locomotive Works 6
- Baltimore and Ohio Railroad Company 6
- Bethlehem Steel Company 6
- Century of Progress International Exposition (1933-1934 : Chicago, Ill.) 6
- E.I. du Pont de Nemours & Company. Carney's Point Works 6
- Gentieu, Pierre A., 1842-1930 6
- Greenewalt, Crawford H., 1902-1993 6
- Hagley Museum and Library 6
- Jackson Laboratory (E.I. du Pont de Nemours & Company) 6
- Penn Central Transportation Company 6
- Radio Corporation of America 6
- Wilkinson, Norman B. 6
- 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. 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
- Ramsay, William G. (William Gouverneur), 1866 - 1916 5
- United States. National Aeronautics and Space Administration 5
- Victor Talking Machine Company 5
- American Iron and Steel Institute 4
- American Telephone and Telegraph Company 4
- Bond, James 4
- Brandywine Manufacturers Sunday School 4
- Central Railroad of New Jersey 4
- Christ Church Christiana Hundred (Greenville, DE) 4
- ConRail 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
- Engineering Research Associates 4
- General Motors Corporation 4
- Indiana Ordnance Works 4
- Kwolek, Stephanie, 1923-2014 4
- Lea family 4
- Longwood Gardens (Kennett Square, Pa.) 4
- Lukens Steel Company 4
- Midvale Steel and Ordnance 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) 4
- Sperry Rand (Corporation). Univac Division 4
- Sperry, Elmer Ambrose, 1860-1930 4
- University of Delaware 4
- Watson, Robert B. 4
- Yetter, Blanche MacAdoo 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
- Belar, Herbert, 1901-1997 3
- Bell Telephone Laboratories 3
- Bethlehem Iron Company 3
- Brandywine Hundred (Del.) 3
- Cambria Steel Co. 3
- Carothers, Wallace Hume, 1896-1937 3
- Christ Church Christiana Hundred Sunday School 3
- Cinecraft Productions, Inc 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 ∧ less