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Anonymous plate - Public Domain
Yves Marevéry - Public Domain
unknown - Public Domain
Rock drum - CC BY-SA 3.0
MT CHedeville - CC BY 3.0
Mathew Brady - Public Domain
user at project - CC BY 2.5
Rocky Mountain Husbandman (Great Falls, MT), publisher. - Public Domain
Henri-Gabriel Ibels - Public Domain
Unknown -
Biodiversity Heritage Library - Public Domain
Bdubay - CC BY-SA 3.0
Yoichi Okamoto - CC0 1.0
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Pinchot, Rosamond, 1904-1938
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Pitrè, Giuseppe, 1841-1916
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Anonymous plate - Public Domain
Lelewel, Joachim, 1786-1861
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Hindenburg, Paul von 1847-1934
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Yves Marevéry - Public Domain
Dearly, Max, 1874-1943
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unknown - Public Domain
Ternan, Ellen Lawless, 1839-1914
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Maus, Octave, 1856-1919
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Finnis, John
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Rock drum - CC BY-SA 3.0
Hales, John, -1571
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Galeotti, Vincenzo, 1733-1816
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MT CHedeville - CC BY 3.0
Chédeville, Nicolas, 1705-1782
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Mathew Brady - Public Domain
Scott, Robert K. (Robert Kingston), 1826-1900
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Clay, James B. (James Brown), 1817-1864
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Kuzmin, Mikhaĭl
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user at project - CC BY 2.5
Maazel, Lorin
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Fuller, Henry Blake, 1857-1929
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unknown - Public Domain
Colbert, Jacques-Nicolas, 1655-1707
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Conca, Tommaso 1734-1822
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Jagemann, Karoline, 1777-1848
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Rocky Mountain Husbandman (Great Falls, MT), publisher. - Public Domain
Smith, Robert Burns, 1854-1908
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Wageman, Thomas Charles, approximately 1787-1863
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Henri-Gabriel Ibels - Public Domain
Ibels, Henri-Gabriel, 1867-1936
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Unknown -
Novák, Arne, 1880-1939
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Biodiversity Heritage Library - Public Domain
Uhler, Philip R. (Philip Reese), 1835-1913
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Bdubay - CC BY-SA 3.0
Hennacy, Ammon, 1893-1970
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Mayr, Richard, 1877-1935
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Hálek, Vítězslav, 1835-1874
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Mills, Anson, 1834-
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Galton, Francis, 1822-1911
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Yoichi Okamoto - CC0 1.0
Bundy, William P., 1917-2000