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original uploader -
unknown - Public Domain
Harris & Ewing - Public Domain
Journal authors: Wilson Sterling, James Burrill Angell, Carrie M. Watson, Arthur Graves Canfield, D. H. Robinson: no specific photographer citation for photo - Public Domain
Chip.berlet - CC BY 3.0
From a photo CD - Public Domain
George Grantham Bain Collection (Library of Congress) - Public Domain
Public Domain
GabboT - CC BY-SA 2.0
Ferenc Márkos - CC BY-SA 3.0
Thomas Hudson - Public Domain
N. MacVicar, National Institutes of Health - Public Domain
Come As You Are Co-operative - CC BY 2.0
Erik Charlton - CC BY 2.0
Photographer-Maurice Seymour, Chicago. - Public Domain
prob. Ken O'Malley († 1936) - Public Domain
François-Louis Gounod - Public Domain
David Eldan - Public Domain
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Cockburn, Henry Cockburn, Lord, 1779-1854
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Rhodes, Richard, 1937-....
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Burnham, Daniel Hudson, 1846-1912
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unknown - Public Domain
Blight, J. T. (John Thomas), 1835-1911
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Harris & Ewing - Public Domain
McAdoo, Eleanor Wilson, 1889-1967
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Arista, Mariano, 1802-1855
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Does, Simon van der
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Journal authors: Wilson Sterling, James Burrill Angell, Carrie M. Watson, Arthur Graves Canfield, D. H. Robinson: no specific photographer citation for photo - Public Domain
Oliver, Robt. Wm. (Robert William), 1814-1899
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Chip.berlet - CC BY 3.0
Forçade, Thomas King
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From a photo CD - Public Domain
Day, Stephen, 1965-...
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George Grantham Bain Collection (Library of Congress) - Public Domain
Szymanowski, Karol
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Public Domain
Varmus, Harold
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Vaudoyer, Jean-Louis, 1883-1963
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Wittgenstein, Karl, 1847-1913
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GabboT - CC BY-SA 2.0
Fenn, Sherilyn
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Barceló, Miquel, 1957-
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Ferenc Márkos - CC BY-SA 3.0
Bólyai, János, 1802-1860
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Thomas Hudson - Public Domain
Anson, George Anson, baron, 1697-1762
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N. MacVicar, National Institutes of Health - Public Domain
Matthaei, Heinrich.
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Bascom, John, 1827-1911
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Saki, 1870-1916
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Come As You Are Co-operative - CC BY 2.0
Bright, Susie, 1958-
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Erik Charlton - CC BY 2.0
Chihuly, Dale, 1941-
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unknown - Public Domain
Suk, Josef, 1874-1935
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Photographer-Maurice Seymour, Chicago. - Public Domain
Peabody, Eddie, approximately 1901-1970
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prob. Ken O'Malley († 1936) - Public Domain
Carlisle, Cliff, 1904-1983
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Elliot, Walter, 1803-1887
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François-Louis Gounod - Public Domain
Moreau, Jean-Michel, 1741-1814
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Ireland, David, -1864
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David Eldan - Public Domain
Sapir, Pinhas