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National Photo Company - Public Domain
unknown - Public Domain
Praemium Erasmianum Foundation - CC BY-SA 4.0
Alvintrusty - CC BY-SA 3.0
Ministério da Cultura - CC BY 2.0
United Nations Development Programme - CC BY 2.0
Caparbio - CC BY-SA 3.0
original uploader - Public Domain
Frederick Brothers Agency (management) - Public Domain
unknown - CC BY-SA 3.0
William Simonton - Public Domain
Public Domain
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Lehmann, Rosamond, 1901-1990
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Grey, Joel, 1932-....
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Stevens, Moses Tyler, 1825-1907
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Meersch, Maxence van der, 1907-1951
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Mix, Tom, 1880-1940
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Dall'Abaco, Evaristo Felice, 1675-1742
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Schwellenbach, Lewis B. (Lewis Baxter), 1894-1948
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Collimitius, Georgius, 1482-1535
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National Photo Company - Public Domain
Riggs, Thomas, 1873-1945
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unknown - Public Domain
Bodenheimer, Max, 1865-1940
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Praemium Erasmianum Foundation - CC BY-SA 4.0
Becher, Bernd, 1931-2007
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Alvintrusty - CC BY-SA 3.0
Raschka, Christopher
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Kinkel, Gottfried, 1815-1882
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Binding, Rudolf Georg, 1867-1938
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Moore, Zephaniah Swift, 1770-1823
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Donner, Anders
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Ministério da Cultura - CC BY 2.0
Nobre, Marlos, 1939-....
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United Nations Development Programme - CC BY 2.0
Gambari, I. A. (Ibrahim Agboola)
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Caparbio - CC BY-SA 3.0
Carmirelli, Pina
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Guillaume, Paul, 1891-1934
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original uploader - Public Domain
De Wolfe, Elsie,, 1865-1950.
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Markham, Gervase, 1568?-1637
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Baltrušaitis, Jurgis, 1873-1944
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unknown - Public Domain
Hatcher, J. B. (John Bell), 1861-1904
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Frederick Brothers Agency (management) - Public Domain
Jones, Allan, 1907-1992
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unknown - CC BY-SA 3.0
Campana, Giampietro, marchese di Cavelli, 1808-1880
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Mapes, Carl E. (Carl Edgar), 1874-1939
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Marsh, John, 1799-1856
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William Simonton - Public Domain
Simonton, A. G. (Ashbel Green), 1833-1867
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Public Domain
Upton, George B. (George Bruce), 1804-1874