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unknown - Public Domain
Paul the Archivist - CC BY-SA 4.0
Leonardc1 - CC BY-SA 3.0
unknown -
TeWheke - CC BY 3.0
Hammondite - CC BY 3.0
Harris & Ewing - Public Domain
Not stated - Public Domain
Bain - Public Domain
Georges Biard - CC BY-SA 3.0
Published anonymously (signed as HJ) - Public Domain
Public Domain
nl -
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unknown - Public Domain
Boissier, Gaston, 1823-1908
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Sowerby, James, 1757-1822
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Paul the Archivist - CC BY-SA 4.0
Ledward, Gilbert, 1888-1960
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Leonardc1 - CC BY-SA 3.0
Cole, Leonard A., 1933-....
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Walker, J. Douglas (James Douglas), 1841-1920
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Wall, Jeff, 1946-....
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Odinga, Ajuma Oginga, 1911-1994
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unknown -
Occhialini, Giuseppe, 1907-1993.
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Farley, Dot, 1881-1971
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TeWheke - CC BY 3.0
McCahon, Colin
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Baker, Josephine, 1906-1975
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Hammondite - CC BY 3.0
Smith, Jimmy
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Harris & Ewing - Public Domain
Prall, Anning S., 1870-1937
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Ritz, Charles C.
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Fujiwara, Yoshitsune, 1169-1206
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unknown - Public Domain
Haupt, Lewis M. (Lewis Muhlenberg), 1844-1937
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Not stated - Public Domain
Mahony, Francis, 1804-1866
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Hoad, J. C. (John Charles), 1856-1911
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Kyle, Billy
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More, Henry, 1614-1687
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Albertolli, Ferdinando, 1781-1844
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Graaff, David Pieter de Villiers, Sir, 1859-1931
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Bain - Public Domain
Haughton, Percy D. (Percy Duncan), 1876-1924
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Georges Biard - CC BY-SA 3.0
Thomas, Pascal, 1945-
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Published anonymously (signed as HJ) - Public Domain
Thomson, John Millar, 1849-1933
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Hoffmann, David, 1843-1921
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Public Domain
Russell, Charles Theodore, 1815-1896
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nl -
Delden, Lex van
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Wills, William H., 1882-1946
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Norbeck, Peter, 1870-1936