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Col. I.W. Avery - Public Domain
author - Public Domain
J. R. Skelton (Joseph Ratcliffe Skelton; 1865–1927) (illustrator), erroneously credited as John R. Skelton - Public Domain
Photographer: Not known @ upload - Public Domain
Kay Robertson - Public Domain
original uploader - Public Domain
Unknown artists/photographers - Public Domain
unknown - Public Domain
Peter Matzen - Public Domain
Smithsonian Institution -
Public Domain
Merlin Holland - CC BY-SA 3.0
U.S. Navy - Public Domain
L. H. Jones - Public Domain
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Conrad, Kent, 1948-
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Lanfranc
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Col. I.W. Avery - Public Domain
Norrman, Gottfried Leonard, -1909
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Ibn Gabirol, active 11th century
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Pratt, Daniel D. (Daniel Darwin), 1813-1877
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author - Public Domain
Burgwyn, Henry King, 1841-1863
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J. R. Skelton (Joseph Ratcliffe Skelton; 1865–1927) (illustrator), erroneously credited as John R. Skelton - Public Domain
Columba, Saint, 521-597
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Forsythe, John, 1918-2010
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Campbell, John W. (John Wilson), 1782-1833
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Photographer: Not known @ upload - Public Domain
Komarovsky, Mirra, 1906-....
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Kay Robertson - Public Domain
Cokayne, George E. (George Edward), 1825-1911
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original uploader - Public Domain
Stephănescu, George (1843-1925).
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Cornwallis-West, Mary, 1858-1920
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Bravo Murillo, Juan, 1803-1873
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Unknown artists/photographers - Public Domain
Kelly, Benedictus Marwood, 1785-1867
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unknown - Public Domain
Cole, Thomas, 1801-1848
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Cobb, Stanley, 1887-1968
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Peter Matzen - Public Domain
Verworn, Max, 1863-1921
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Smithsonian Institution -
Cochran, Doris M. (Doris Mable), 1898-1968
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Baumann, Gustave, 1881-1971
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Public Domain
Parsons, Albert Richard, 1848-1887
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Holling, C.S.
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Singer, Bryan, 1965-....
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Merlin Holland - CC BY-SA 3.0
Holland, Merlin.
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Gipslis, Aivars
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U.S. Navy - Public Domain
Hunsaker, Jerome Clarke, 1886-1984
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Inge, William
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Keitel, Harvey
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L. H. Jones - Public Domain
Jones, Roger, 1789-1852
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Jones, John P. (John Percival), 1829-1912