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The Neale Company (Washington, DC), publisher. - Public Domain
A2zmusicfacts - CC BY-SA 3.0
James Granger - Public Domain
Robert Scott - Public Domain
Jan - CC BY-SA 2.0
Original uploader was :pl:Stansfield - CC BY-SA 3.0
unknown, but again, he died in 1888 so must be PD wherever it was taken - Public Domain
Engraved by Capewell & Kimmel - Public Domain
Harihar Das - Public Domain
Division of Oral Health, National Center for Chronic Disease Prevention and Health Promotion, CDC - Public Domain
EricEnfermero - CC BY-SA 4.0
Unknown (Bain News Service, publisher) - Public Domain
unknown/неизвестно - Public Domain
William Ridley - Public Domain
Marcos C. - CC BY 3.0
Public Domain
Robert L. Knudsen - Public Domain
Elliott & Fry - Public Domain
John McLenan - Public Domain
Commercial photo made for hire - Public Domain
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The Neale Company (Washington, DC), publisher. - Public Domain
Pierce, Mr. (Rice Alexander), 1848-1936
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Johnson, Alfred Wilkinson, 1876-1963
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A2zmusicfacts - CC BY-SA 3.0
Ivey, Steve
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Puzos, Nicolas, 1686-1753
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James Granger - Public Domain
Dolben, John, 1625-1686
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Robert Scott - Public Domain
Boston, Thomas, 1677-1732
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Jan - CC BY-SA 2.0
Lewis, Laurie, 1950-
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Original uploader was :pl:Stansfield - CC BY-SA 3.0
Mycielski, Zygmunt
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Smith, William Y., 1925-
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unknown, but again, he died in 1888 so must be PD wherever it was taken - Public Domain
Alkan, Charles-Valentin
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Engraved by Capewell & Kimmel - Public Domain
Fay, Theodore S. (Theodore Sedgwick), 1807-1898
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Harihar Das - Public Domain
Dutt, Toru, 1856-1877
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Division of Oral Health, National Center for Chronic Disease Prevention and Health Promotion, CDC - Public Domain
Dean, H. Trendley (Henry Trendley), 1893-1962
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EricEnfermero - CC BY-SA 4.0
Dierker, Larry
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Henshaw, David, 1791-1852
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Unknown (Bain News Service, publisher) - Public Domain
Gerhardt, Elena, 1883-1961
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Lutherus, Paulus, 1533-1593
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unknown/неизвестно - Public Domain
Vigo, Jean, 1905-1934
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Glenbervie, Sylvester Douglas, Baron, 1743-1823
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Sargent, Henry
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Perkins, George W. (George Walbridge), 1862-1920
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William Ridley - Public Domain
Maurice, Thomas, 1754-1824
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Marcos C. - CC BY 3.0
Setzer, Brian
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Public Domain
Piatti, Alfredo, 1822-1901
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Craig, James, 1818-1888
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Robert L. Knudsen - Public Domain
Hughes, Richard J. (Richard Joseph), 1909-1992
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Thomas, Dylan, 1914-1953
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Elliott & Fry - Public Domain
Corder, Frederick, 1852-1932
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John McLenan - Public Domain
McLenan, John, 1827-1866
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Commercial photo made for hire - Public Domain
Stuart-Young, John Moray, 1881-1939