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Public Domain
resedabear - CC BY 2.0
Bahudhara - CC BY-SA 3.0
www.german-navy.de/kriegsmarine/ - - Public Domain
Unknown War photographer - Public Domain
unknown photographer - Public Domain
Brooklyn Daily Eagle - Public Domain
Fg2 - Public Domain
Friedman-Abeles, New York. Stamp is partial, but the photographer did many New York theater photos; we have quite a few here at Commons. - Public Domain
Samuel van Hoogstraten - Public Domain
https://www.flickr.com/photos/mtaphotos/ - CC BY 2.0
Daderot - CC0 1.0
Florence Vandamm (1883-1966) - Public Domain
Albert Shaw - Public Domain
Toglenn - CC BY-SA 3.0
Gerard Sibelius<br>Godfrey Kneller - Public Domain
Image from Wikimedia Commons
Public Domain
Rojas, Fernando de, -1541
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Courtney, Inez, 1908-1975
Image from Wikimedia Commons
resedabear - CC BY 2.0
Blue, Vida, 1949-
Image from Wikimedia Commons
Bahudhara - CC BY-SA 3.0
Leunig, Michael, 1945-
Image from Wikimedia Commons
www.german-navy.de/kriegsmarine/ - - Public Domain
Ciliax, Otto, 1891-1964
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Unknown War photographer - Public Domain
Herron, Charles D. (Charles Douglas), 1877-1977
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unknown photographer - Public Domain
Vaughan, Henry, 1845-1917
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Brooklyn Daily Eagle - Public Domain
Leonard, Moses Gage, 1809-1899
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O'Keefe, Timothy F. (Timothy Francis), 1919-1984
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Tartini, Giuseppe
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Fg2 - Public Domain
MacDonald, Ranald, 1824-1894.
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Friedman-Abeles, New York. Stamp is partial, but the photographer did many New York theater photos; we have quite a few here at Commons. - Public Domain
Ewell, Tom, 1909-1994
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Samuel van Hoogstraten - Public Domain
Hoogstraten, Samuel van 1627-1678
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Mitchell, Maria, 1818-1889
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Toorop, Jan Theodoor, 1858-1928
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Ferrell, Wes, 1908-1976
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https://www.flickr.com/photos/mtaphotos/ - CC BY 2.0
Espaillat, Adriano, 1954-
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Widener, P.A.B. (Peter Arrell Brown), 1834-1915
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Elliott, Carl, 1913-1999
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Daderot - CC0 1.0
Beranek, Leo L. (Leo Leroy), 1914-2016
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Florence Vandamm (1883-1966) - Public Domain
Watson, Lucile, 1879-1962
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Loew, H. (Hermann), 1807-1879
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Albert Shaw - Public Domain
Bryce, Lloyd Stephens, 1851-1917
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Pole, William, Sir, 1561-1635
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Wright, Elizur, 1804-1885
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Toglenn - CC BY-SA 3.0
Foster, Robert, 1941-
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Wigmore, John Henry, 1863-1943
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Gerard Sibelius<br>Godfrey Kneller - Public Domain
Velde, Willem van de, 1610 or 1611-1693
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Lacordaire, Henri-Dominique, 1802-1861
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Public Domain
Belmont, Alva, 1853-1933