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US State Dept. - Public Domain
unknown - Public Domain
Navaro - CC BY-SA 3.0
J. Sterling Morton, author. Jacob North & Company (Lincoln, NE), publisher. - Public Domain
:en:Wanda von Debschitz-Kunowski - Public Domain
Greg Spiers - CC BY-SA 3.0
DSVSRK - CC BY-SA 4.0
Aristide Calani - Public Domain
Mborda.m - CC BY-SA 3.0
Syrian - CC BY-SA 4.0
user at project - Public Domain
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Mike Cline - Public Domain
Georges Biard - CC BY-SA 3.0
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Pettigrew, James Johnston, 1828-1863
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US State Dept. - Public Domain
Liberman, Avigdor
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Fillon, Benjamin, 1819-1881
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Porter, Peter B. (Peter Buell), 1773-1844
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Delesse, A. (Achille), 1817-1881
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unknown - Public Domain
Chase, John, 1856-
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Navaro - CC BY-SA 3.0
Roden, Claudia
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Agricola, Johann, 1494?-1566
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Webb, Matthew, 1848-1883
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J. Sterling Morton, author. Jacob North & Company (Lincoln, NE), publisher. - Public Domain
Bennet, Hiram Pitt, 1826-1914
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Travis, Nick
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unknown - Public Domain
Cubitt, William, Sir, 1785-1861
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Seeley, Blossom, 1891-1974
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unknown - Public Domain
Lei, Zhen, 1897-1979
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:en:Wanda von Debschitz-Kunowski - Public Domain
Schoop, Trudi
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Ben-Zvi, Itzhak, 1884-1963
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unknown - Public Domain
Cox, Richard, 1650-1733
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Greg Spiers - CC BY-SA 3.0
Ruttman, Larry
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Lippitt, Henry, 1818-1891
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DSVSRK - CC BY-SA 4.0
Balasubramaniam, G. N., 1910-1965
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Aristide Calani - Public Domain
Amari, Emerico, 1810-1870
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Mborda.m - CC BY-SA 3.0
Gomez, Eddie
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Syrian - CC BY-SA 4.0
Mayer, Luigi
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user at project - Public Domain
Easterbrook, Leslie, 1949-
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Contributor: Duyl-Schwartze, Therese van ; Data provider: Stichting Academisch Erfgoed - CC0 1.0
Schoute, P.H. (Pieter Hendrik), 1846-1913
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Oberholtzer, Sara Louisa, 1841-1930
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Lancisi, Giovanni Maria, 1654-1720
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Mike Cline - Public Domain
Chisum, John Simpson, 1824-1884
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Georges Biard - CC BY-SA 3.0
Vincent, Hélène, 1940-...
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Silvestre, Israël, 1621-1691