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Not stated - Public Domain
J.P. Purdy, photographer. - Public Domain
Steven Trefonides - CC BY-SA 3.0
Franceen Palevsky-Breault - CC BY-SA 4.0
David Gerstein - CC BY-SA 3.0
W. H. (or W. M.) Latham, 19th/20th Century - Public Domain
Herman John Schmidt (1872-1959) - CC BY-SA 3.0
Samuel Lovett Waldo - Public Domain
unknown - Public Domain
Thomas Pennant - Public Domain
Derconb - CC BY-SA 3.0
Washington Press-Photo Bureau -
Robert Cornelius - Public Domain
JJ Georges - CC BY-SA 4.0
Robert Willemsz. de Baudous - Public Domain
Koongo940 - CC BY-SA 3.0
Public Domain
Duane Hamilton Hurd, author. J. W. Lewis & Co. (Philadelphia, PA), publisher. - Public Domain
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Not stated - Public Domain
Windsor, H. H. (Henry Haven), 1859-1924
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J.P. Purdy, photographer. - Public Domain
Kitson, Henry Hudson, 1863?-1947
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Steven Trefonides - CC BY-SA 3.0
Thayer, Polly, 1904-2006
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Cartellieri, Casimir Anton, 1772-1807
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Franceen Palevsky-Breault - CC BY-SA 4.0
Van Walls, Harry, 1918-1999
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Hecht, Jennifer Michael, 1965-....
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David Gerstein - CC BY-SA 3.0
Gerstein, David, 1944-....
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W. H. (or W. M.) Latham, 19th/20th Century - Public Domain
Frampton, George, 1860-1928
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Herman John Schmidt (1872-1959) - CC BY-SA 3.0
Bledisloe, Charles Bathurst Bledisloe, Baron, 1867-1958
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Durack, Peter, 1926-
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Bradburn, Samuel, 1751-1816
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Gladwin, Henry, 1729-1791
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Samuel Lovett Waldo - Public Domain
Waldo, Samuel Lovett, 1783-1861
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unknown - Public Domain
Fisher, George J., -1960
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Thomas Pennant - Public Domain
Owen, John, Sir, 1600-1666
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Dejean, Jean-François-Aimé, comte, 1749-1824
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Galt, John, 1779-1839
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Parkinson, C. Northcote (Cyril Northcote), 1909-1993
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Derconb - CC BY-SA 3.0
Zabludovsky, Abraham
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Washington Press-Photo Bureau -
Butler, Hugh Alfred, 1878-1954
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Morton, Jackson, 1794-1874
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Robert Cornelius - Public Domain
Cornelius, Robert, 1809-1893
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Straczynski, J. Michael, 1954-....
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JJ Georges - CC BY-SA 4.0
Spengler, Christine
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Robert Willemsz. de Baudous - Public Domain
Haarlem, Cornelis Corneliszoon van, 1562-1638
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Koongo940 - CC BY-SA 3.0
Cox, Billy
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Laud, William, 1573-1645
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Meyer, Agnes Elizabeth Ernst, 1887-1970
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Public Domain
Lewis, Ida, 1842-1911
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Duane Hamilton Hurd, author. J. W. Lewis & Co. (Philadelphia, PA), publisher. - Public Domain
Parmenter, William, 1789-1866