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Gonzalo J. Mazzei -
Joshin Yamada - CC BY 2.0
US War Department - Public Domain
Kleon3 - Public Domain
20th Century Fox - Public Domain
user at project - CC BY-SA 3.0
original uploader - Public Domain
"Hazard" of American Golfer, Inc. - Public Domain
unknown - Public Domain
International Soil Science Society, 1927 - Public Domain
Sean O'Sullivan RHA - CC BY-SA 4.0
user at project - Public Domain
James Saxon (fl. 1795–1828) - Public Domain
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Gonzalo J. Mazzei -
Bennett, Margaret, 1946-....
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Joshin Yamada - CC BY 2.0
McMillan, Stephanie, 1965-
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US War Department - Public Domain
Gere, Thomas Parke, 1842-1912
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Kleon3 - Public Domain
Milow, Keith, 1945-
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Romney, George W., 1907-1995
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20th Century Fox - Public Domain
Quigley, Charles
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Mandylor, Costas, 1965-
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Weekes, Henry
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Jujol i Gibert, Josep Maria, 1879-1949
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user at project - CC BY-SA 3.0
Sinclair, Richard
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original uploader - Public Domain
Hart, Samuel, 1845-1917
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Barceló, Miquel, 1957-
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original uploader - Public Domain
Green, Fitzhugh, 1888-1947
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"Hazard" of American Golfer, Inc. - Public Domain
Tillinghast, Albert Warren, 1874-1942
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Williams, William Fenwick, 1800-1883
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Horr, Ralph A. (Ralph Ashley), 1884-1960
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Mayo, Charles Horace, 1865-1939
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Urich, Robert
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unknown - Public Domain
Carafa, Pier Luigi 1677-1755
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Spade, David
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Moore, George Fletcher, 1798-1886
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Leveridge, Richard, 1670 or 1671-1758
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International Soil Science Society, 1927 - Public Domain
Marbut, Curtis Fletcher, 1863-1935
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Sean O'Sullivan RHA - CC BY-SA 4.0
Johnston, Denis, 1901-1984
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user at project - Public Domain
Canin, Ethan
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Block, John R.
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James Saxon (fl. 1795–1828) - Public Domain
Phillips, R. (Richard), Sir, 1767-1840
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Palamas, Kōstēs, 1859-1943
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Trischka, Tony, 1949-
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Strother, David Hunter, 1816-1888