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Merlin Energy - CC BY-SA 3.0
ParkerHiggins - CC BY 3.0
unknown photographer - Public Domain
Unbekannter Grafiker der Epoche. - Public Domain
unknown - Public Domain
Tjlee101 - CC BY-SA 4.0
shiver_shi - CC BY-SA 2.0
Lichtig & Englander (agency representing Bradford) - Public Domain
Public Domain
Georges Biard - CC BY-SA 3.0
Dorothy A. Walker - Public Domain
Project Gutenberg - Public Domain
Photographer unknown (possible self-portrait by Grove) - Public Domain
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Obrien, Edna
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Świętosławski, Wojciech (1881-1968).
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Ditrichštejn, František 1570-1636
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Merlin Energy - CC BY-SA 3.0
Miles, Sarah, 1941-....
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ParkerHiggins - CC BY 3.0
Darling, Lowell
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unknown photographer - Public Domain
Sanford, Maria Louise, 1836-1920
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Unbekannter Grafiker der Epoche. - Public Domain
Souvestre, Émile, 1806-1854
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unknown - Public Domain
Schmucker, S. S. (Samuel Simon), 1799-1873
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Lovins, Amory B., 1947-
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Tjlee101 - CC BY-SA 4.0
Alexander, Meena, 1951-....
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unknown - Public Domain
Shaw, Albert, 1857-1947
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Stone, John Augustus, 1800-1834
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shiver_shi - CC BY-SA 2.0
Guthrie, Robin, 1962-....
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Argens, Jean-Baptiste de Boyer, marquis d', 1704-1771
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Hammerschmidt, John Paul, 1922-
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Lichtig & Englander (agency representing Bradford) - Public Domain
Bradford, Virginia, 1899-1995
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Kiner, Ralph
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Public Domain
Morrison, Cameron, 1869-1953
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Georges Biard - CC BY-SA 3.0
Abbass, Hiam
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Kekewich, Robert George, 1854-1914
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Christie, Mr. (James), 1730-1803
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Kilvert, Robert Francis, 1840-1879
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Dizengoff, Meir, 1861-1936
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Dorothy A. Walker - Public Domain
Walker, Joseph A., 1935-
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Smith, A. E. (Algernon Emory), 1842-1876
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Talley, Marion, 1907-1983
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unknown - Public Domain
Sarfatti, Margherita, 1880-1961
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Project Gutenberg - Public Domain
Savage, John, 1779-1863
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Photographer unknown (possible self-portrait by Grove) - Public Domain
Grove, Frederick Philip, 1879-1948
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unknown - Public Domain
Brumbaugh, Martin Grove, 1862-1930