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unknown - Public Domain
United States Steel Corporation - Public Domain
Hinsdale, B.A. - Public Domain
Unknown. No photo credit provided at time of publication in 1918. -
Samadammichael - Public Domain
original uploader - CC BY 2.5
Philkon - CC BY-SA 3.0
Library of the London School of Economics and Political Science -
U.S. State Dept photo - Public Domain
Unknown (Bain News Service, publisher) - Public Domain
D C McJonathan - CC BY-SA 3.0
:en:Carl Van Vechten - Public Domain
Not identified - Public Domain
Dudley Hardy - Public Domain
Kettymora - CC BY-SA 3.0
Hal Roach - Public Domain
California State Assembly - Public Domain
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unknown - Public Domain
Stephan, Rudi, 1887-1915
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United States Steel Corporation - Public Domain
Palmer, Betsy
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Castberg, Frede, 1893-1977
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Spasowski, Romuald
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Hinsdale, B.A. - Public Domain
McLaughlin, Andrew C. (Andrew Cunningham), 1861-1947
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Hoffman, Clare E., 1875-1967
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Unknown. No photo credit provided at time of publication in 1918. -
Sorley, Charles Hamilton, 1895-1915
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Blair, Emily Newell, 1877-
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Burt, Laura, -1952
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Samadammichael - Public Domain
Miller, Warren, 1921-1966
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Fitzwilliam, Charles William Wentworth Fitzwilliam, Earl, 1786-1857
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original uploader - CC BY 2.5
Ames, Bruce N.
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Philkon - CC BY-SA 3.0
Chong, Thomas, 1938-
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unknown - Public Domain
Baldwin, Faith, 1893-1978
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Charpentier, Gustave
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Library of the London School of Economics and Political Science -
Self, Peter.
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U.S. State Dept photo - Public Domain
Glassman, Jon D. (Jon David), 1944-
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Unknown (Bain News Service, publisher) - Public Domain
Messager, André
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D C McJonathan - CC BY-SA 3.0
Lane, Kenneth Jay, 1932-....
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:en:Carl Van Vechten - Public Domain
Menotti, Gian Carlo, 1911-2007
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Not identified - Public Domain
Hart, Robert, 1835-1911
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Ehret, Georg Dionysius, 1708-1770
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Dudley Hardy - Public Domain
Haité, George Charles, 1855-1924
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McAfee, Mildred H. (Mildred Helen), 1900-1994
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Kettymora - CC BY-SA 3.0
Azaceta, Luis Cruz, 1942-
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Tuwim, Julian, 1894-1953
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Hal Roach - Public Domain
Chase, Charley, 1893-1940
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Styka, Jan, 1858-1925
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Spurgeon, C.H. (Charles Haddon), 1834-1892
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California State Assembly - Public Domain
Kim, Young, 1962-