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BiblioArchives / LibraryArchives - CC BY 2.0
I. Goldman - Public Domain
Hiuper - CC BY-SA 4.0
Halsey, Francis Whiting, - Public Domain
Erling Mandelmann - CC BY-SA 3.0
unknown - CC BY 4.0
NOAA - Public Domain
J. Jackson - Public Domain
Ludwig Gutmann - Public Domain
unknown - Public Domain
user at project - CC BY-SA 2.5
Charles Reutlinger, Paris - Public Domain
Hans Peter Schaefer, http://www.reserv-a-rt.de - CC BY 3.0
Бродовский Роман Флорович - Public Domain
Sphilbrick - CC BY-SA 4.0
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BiblioArchives / LibraryArchives - CC BY 2.0
Sandwell, B.K. (Bernard Keble), 1876-1954
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I. Goldman - Public Domain
Leeser, Isaac, 1806-1868
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Hiuper - CC BY-SA 4.0
Wolff, Christoph
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Bosher, Kate Langley, 1865-1932
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Halsey, Francis Whiting, - Public Domain
Plumer of Messines, Herbert Charles Onslow Plumer, Viscount, 1857-1932
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Erling Mandelmann - CC BY-SA 3.0
Tinguely, Jean, 1925-1991
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unknown - CC BY 4.0
Keilin, David, 1887-1963
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NOAA - Public Domain
Schott, Charles A. (Charles Anthony), 1826-1901
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Caesar, Irving
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Britton, John, 1771-1857
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J. Jackson - Public Domain
Woodhouselee, Alexander Fraser Tytler, Lord, 1747-1813
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Munzel, Oskar
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Pogson, Norman Robert, 1829-1891
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Albright, William Foxwell, 1891-1971
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Ludwig Gutmann - Public Domain
Bergler, Edmund, 1899-1962
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Hare, Butler B. (Butler Black), 1875-1967
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unknown - Public Domain
Gordon, Theodore, 1854-1915
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user at project - CC BY-SA 2.5
Mie, Gustav, 1868-1957
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Lanfranco, Giovanni, 1582-1647
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Charles Reutlinger, Paris - Public Domain
Antoine, André, 1858-1943
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Hans Peter Schaefer, http://www.reserv-a-rt.de - CC BY 3.0
Konitz, Lee
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Бродовский Роман Флорович - Public Domain
Goedicke, Alexander
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Reuter, Ernst, 1889-1953
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Sphilbrick - CC BY-SA 4.0
Lieberman, Nancy, 1958-
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Henderson, Alexander, 1583?-1646
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Kraatz, Gustav 1830-1909
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unknown - Public Domain
Magie, William Francis, 1858-1943
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Green, Joseph Henry, 1791-1863
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Weddell, James, 1787-1834
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unknown - Public Domain
Emïn, Joseph, 1726-1809