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Alphonse Legros - Public Domain
John Hoving - Public Domain
Philadelphia Real Estate and Builder's Guide - Public Domain
Bain News Service - Public Domain
Adolf Dauthage Foto: Peter Geymayer - Public Domain
unknown - Public Domain
film screenshot (United Artists) - Public Domain
CBS Television. In the 1950s and 1960s, television networks, studios and sponsors often used publicity or advertising agencies to distribute publicity materials. CBS used the Bureau of Indistrial Service, which was a division of advertising agency Young & Rubicam to distribute this material. - Public Domain
Mathew Brady Levin Corot Handy - Public Domain
Samuel William Reynolds Joshua Reynolds - Public Domain
Florida Center for Instructional Technology -
Mary Arzumanyan - CC BY-SA 4.0
William Lindsay Windus - Public Domain
Sadeler/De Vos - Public Domain
Henry B. Cleaves - Public Domain
Angelica Kauffmann - CC BY-SA 4.0
Mohanjuneja - CC BY 3.0
Unknown - See Source entry for original 'publication' - Public Domain
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Alphonse Legros - Public Domain
Poynter, Edward John, 1836-1919
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John Hoving - Public Domain
Hoving, Thomas, 1931-2009
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Lewis, Neil Elliott, Sir, 1858-1935
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Philadelphia Real Estate and Builder's Guide - Public Domain
Nichols, Minerva Parker, -1949
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Bain News Service - Public Domain
Astor, Nancy Witcher Langhorne Astor, Viscountess, 1879-1964
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Ricketts, Charles S., 1866-1931
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Stair, John Dalrymple, Earl of, 1673-1747
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Castellion, Sébastien, 1515-1563
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Adolf Dauthage Foto: Peter Geymayer - Public Domain
Napier, Charles, 1786-1860
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unknown - Public Domain
Dagnan-Bouveret, Pascal-Adolphe-Jean, 1852-1929
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McElroy, Robert McNutt, 1872-1959
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film screenshot (United Artists) - Public Domain
Munson, Ona, 1906-1955
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Armstrong, Gillian, 1950-....
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CBS Television. In the 1950s and 1960s, television networks, studios and sponsors often used publicity or advertising agencies to distribute publicity materials. CBS used the Bureau of Indistrial Service, which was a division of advertising agency Young & Rubicam to distribute this material. - Public Domain
Dalton, Abby, 1935-
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Mathew Brady Levin Corot Handy - Public Domain
Chipman, N. P. (Norton Parker), 1836-1924
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Samuel William Reynolds Joshua Reynolds - Public Domain
Howard, George, Earl of Carlisle, 1773-1848
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Florida Center for Instructional Technology -
Tenney, William Jewett, 1814-1883
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Mary Arzumanyan - CC BY-SA 4.0
Kouymjian, Dickran
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William Lindsay Windus - Public Domain
Windus, William Lindsay (British painter, 1822-1907)
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Ailesbury, Charles Bruce, Earl of, 1682-1747
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Sadeler/De Vos - Public Domain
Verdonck, Cornelis, 1563-1625
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Henry B. Cleaves - Public Domain
Cleaves, Henry B. (Henry Bradstreet), 1840-1912
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Greenwood, Frederick, 1830-1909
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Angelica Kauffmann - CC BY-SA 4.0
Knight, Ellis Cornelia, 1757-1837
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Laugel, Auguste, 1830-1914
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Mohanjuneja - CC BY 3.0
Reaney, James
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Unknown - See Source entry for original 'publication' - Public Domain
Pennington, James W.C.
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unknown - Public Domain
Rainolds, John, 1549-1607
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Anaya, Jorge Isaac
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Jasanoff, Sheila