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The U.S. Printing Co., Cin., U.S.A." - Public Domain
Henry Chase, editor. Lakeside Press (Portland, ME), publisher. - Public Domain
Ulysses Robert Brooks - Public Domain
Fallduff - Public Domain
Unknown photographer/artist - Public Domain
Axel Mare - CC BY-SA 3.0
Paul Thompson (photographer) - Public Domain
United Nations Development Programme - CC BY 2.0
Edward Harold Mott - Public Domain
Georges Biard - CC BY-SA 3.0
unknown - Public Domain
MCA-TV - Public Domain
Mathew Brady - Public Domain
Karohemd - CC BY-SA 3.0
Guillaume Voiriot - Public Domain
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The U.S. Printing Co., Cin., U.S.A." - Public Domain
Paige, Mabel, 1880-1954
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Pisier, Marie-France
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Melzack, Ronald
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Pollock, Henry E. (Henry Edward), 1864-1953
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Henry Chase, editor. Lakeside Press (Portland, ME), publisher. - Public Domain
Kavanagh, Edward, 1795-1844
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Nichols, Ernest Fox, 1869-1924
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Ulysses Robert Brooks - Public Domain
Brawley, William H., 1841-1916
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Fallduff - Public Domain
Mellows, Liam
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Unknown photographer/artist - Public Domain
Kaplan, Henry S., 1918-1984
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Axel Mare - CC BY-SA 3.0
Mare, André, 1885-1932
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Vroom, Hendrick Cornelisz, 1566-1640
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Tillis, Mel
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Reynolds, Ruth M., 1916-1989
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Paul Thompson (photographer) - Public Domain
Crotti, Jean, 1878-1958
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McGwire, Mark, 1963-
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United Nations Development Programme - CC BY 2.0
Gambari, I. A. (Ibrahim Agboola)
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Moynihan, Rodrigo
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Edward Harold Mott - Public Domain
Moran, Charles
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Saraceni, Paulo César 1933-
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Georges Biard - CC BY-SA 3.0
Clerc, Julien, 1947-....
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Spivak, Charlie
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unknown - Public Domain
Rauschenbusch, Walter, 1861-1918
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Sanson, Nicolas, 1600-1667
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MCA-TV - Public Domain
Brady, Scott, 1924-1985
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Mathew Brady - Public Domain
Nelson, Thomas A. R.
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unknown - Public Domain
Orrock, James, 1829-1913
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Karohemd - CC BY-SA 3.0
Armstrong, Michael, 1944-
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Guillaume Voiriot - Public Domain
Colardeau, Charles-Pierre, 1732-1776
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unknown - Public Domain
Fernández Checa, Ulpiano, 1860-1916
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unknown - Public Domain
Kinnick, Nile C. (Nile Clarke), 1918-1943