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Illustrator not indicated - Public Domain
unknown - Public Domain
Slowking4 -
Public Domain
Supercomputer12 - CC BY-SA 3.0
Open Media Ltd. - CC BY-SA 3.0
original uploader - Public Domain
Franz Josef Böhm -
Mark Taylor - CC BY 2.0
en - Public Domain
The Successful American - Public Domain
Andrea Booher - Public Domain
unknown photographer - Public Domain
US Government Printing Office - Public Domain
Wpwatchdog - CC BY-SA 4.0
unknown Navy photographer - Public Domain
United States Government - Public Domain
Moriya7 - CC BY-SA 3.0
Image from Wikimedia Commons
Meyer, Eduard, 1855-1930
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Illustrator not indicated - Public Domain
Drew, Daniel, 1797-1879
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Pitoni, G. O. (Giuseppe Ottavio), 1657-1743
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Grassini, Giuseppina, 1773-1850
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unknown - Public Domain
Castle, William Richards, 1849-1935
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Pearson, T. Gilbert (Thomas Gilbert), 1873-1943
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Slowking4 -
Estes, Richard, 1932-....
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Public Domain
Seripando, Girolamo, 1493-1563
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Supercomputer12 - CC BY-SA 3.0
Ayers, William, 1944-....
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Open Media Ltd. - CC BY-SA 3.0
Donleavy, J.P. (James Patrick), 1926-
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original uploader - Public Domain
Angas, George Fife, 1789-1879
Image from Wikimedia Commons
Franz Josef Böhm -
Rosegger, Peter, 1843-1918
Image from Wikimedia Commons
Ginter, Lewis, 1824-1897
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Mark Taylor - CC BY 2.0
Morris, Dick
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en - Public Domain
Whitmore, James, 1921-2009
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The Successful American - Public Domain
Rohlfs, Charles, 1853-1936
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Butting, Max, 1888-1976
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Andrea Booher - Public Domain
Babauta, Juan N. (Juan Nekai), 1953-
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unknown photographer - Public Domain
Apthorp, William Foster, 1848-1913
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Maeda, John
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DeVita, Vincent T., Jr., 1935-
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Dole, Elizabeth Hanford, 1936-
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Horsfield, Thomas, 1773-1859
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US Government Printing Office - Public Domain
Robinson, J. Kenneth (James Kenneth), 1916-
Image from Wikimedia Commons
Wpwatchdog - CC BY-SA 4.0
Shaw, Eddie, 1937-
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unknown - Public Domain
Le Moyne de la Borderie, Arthur 1827-1901
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unknown Navy photographer - Public Domain
Donegan, Dorothy
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United States Government - Public Domain
Mardian, Robert Charles, 1923-2006
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Fairley, N. Hamilton (Neil Hamilton), 1891-1966
Image from Wikimedia Commons
Moriya7 - CC BY-SA 3.0
Latham-Koenig, Jan, 1953-....