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unknown - Public Domain
George Grantham Bain Collection (Library of Congress) - Public Domain
Tom Marcello - CC BY-SA 2.0
anonymous -
R.G. - CC BY-SA 4.0
not verifiable<br/> - Public Domain
Overman Foundation - Public Domain
original uploader - Public Domain
Public Domain
Friedlein, J[ohann] <Stecher> - Public Domain
Not stated - Public Domain
NARA-Author -
Karl Winkler (other date -
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unknown - Public Domain
Chen, Duxiu, 1879-1942
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George Grantham Bain Collection (Library of Congress) - Public Domain
Curzon of Kedleston, George Nathaniel Curzon, Marquess, 1859-1925
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Goebel, William, 1856-1900
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unknown - Public Domain
King, William Henry, 1863-1949
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unknown - Public Domain
Hotze, Henry, 1833-1887
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Tom Marcello - CC BY-SA 2.0
Shaw, Woody
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anonymous -
Katterfelto, Gustavus, -1799
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Schreyvogel, Charles, 1861-1912
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Staton, Dakota
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R.G. - CC BY-SA 4.0
Galzy, Jeanne
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Yeats, Georgie, -1968
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La Condamine, Charles-Marie de 1701-1774
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Mount Cashell, Stephen Moore, Earl of, 1792-1883
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Lukis, Frederick Corbin, 1788-1871
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not verifiable<br/> - Public Domain
Jaekel, Otto
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Chandler, Joan, 1923-1979
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Conybeare, John, 1692-1755
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Overman Foundation - Public Domain
Gwyer, Maurice L. (Maurice Linford), Sir, 1878-1952
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Robertson, Suze, 1855-1922
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original uploader - Public Domain
Piron, Alexis, 1689-1773
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Williams, Fess, 1894-1975
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Monti, Vittorio, 1868-1922
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Heywood, Joseph Leland, 1815-1910
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Public Domain
Parsons, M. M.
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unknown - Public Domain
Collins, Mortimer, 1827-1876
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Friedlein, J[ohann] <Stecher> - Public Domain
Scriver, Christian, 1629-1693
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Gigoux, Jean, 1806-1894
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Not stated - Public Domain
Leyendecker, Frank X., 1877-1924
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NARA-Author -
Villella, Edward, 1936-
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Karl Winkler (other date -
Löhner, Fritz, 1883-1942