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The Boston Press Club - Public Domain
Carranzagabriela - CC BY-SA 3.0
Philip Allfrey - CC BY-SA 2.5
unknown - Public Domain
Mathew Brady - Public Domain
original uploader - Public Domain
:en:Henry Jamison Handy -
Public Domain
A. John Nicolson - CC BY-SA 3.0
Haynes, Frank Jay, 1853-1921, photographer - Public Domain
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The Boston Press Club - Public Domain
Moulton, Henry P. (Henry Percy), 1844-1904
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Gérard, François-Pascal-Simon baron 1770-1837
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Whitehurst, John, 1713-1788
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Carranzagabriela - CC BY-SA 3.0
Cuevas, José Luis 1934-
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Desmond, Paul, 1924-1977
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Stamberg, Susan, 1938-
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Osgood, Samuel Stillman, 1808-1885
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Philip Allfrey - CC BY-SA 2.5
Chesshyre, D. H. B.
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Beerstraten, Jan Abrahamsz., 1622-1666
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Shibell, Charles A., 1841-1908
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unknown - Public Domain
Treadwell, Sophie, 1885-1970
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Mathew Brady - Public Domain
Hoar, E. R. (Ebenezer Rockwood), 1816-1895
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Cozio, Carlo
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original uploader - Public Domain
Cromwell, Henry, 1628-1674
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Denison, George T. (George Taylor), 1839-1925
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unknown - Public Domain
Morris, Page, 1853-1924
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Hovenden, Thomas, 1840-1895
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:en:Henry Jamison Handy -
McCarthy, J. P. (Joseph Priestly), 1933-1995
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unknown - Public Domain
Parks, Rosa, 1913-2005
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Public Domain
Lindsay, Ruby, 1887-1919
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A. John Nicolson - CC BY-SA 3.0
Wild, J. P. (John Paul), 1923-2008
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Casey, Kenneth, 1899-1965
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Peto, S. Morton (Samuel Morton), Sir, 1809-1889
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unknown - Public Domain
Broom, Robert, 1866-1951
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Beresford, Marcus Gervais, 1801-1885
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Bynum, William D. (William Dallas), 1846-1927
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Haynes, Frank Jay, 1853-1921, photographer - Public Domain
Crosby, John Schuyler, 1839-1914
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Langstroth, L. L. (Lorenzo Lorraine), 1810-1895
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Ferré, Léo, 1916-1993
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Bray, William G. (William Gilmer), 1903-1979