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Josef Mukařovský - Public Domain
George Frederic Watts - Public Domain
Edward Harold Mott - Public Domain
unknown - Public Domain
Mary Snow - CC BY-SA 3.0
Mrrealtime - Public Domain
Library of the London School of Economics and Political Science -
George Charles Beresford - Public Domain
Llliiu - CC BY-SA 4.0
William Owen (1769-1825) - Public Domain
Story-Press Corporation, - Public Domain
Ziff-Davis Publishing / unidentified staff artist - Public Domain
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McCaffrey, Anne, 1926-2011
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Josef Mukařovský - Public Domain
Koželuh, Jan Antonín, 1738-1814
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De Saussure, Henry William, 1763-1839
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George Frederic Watts - Public Domain
Stanley, Dorothy, Lady, -1926
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Val, Philippe
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Edward Harold Mott - Public Domain
Moran, Charles
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Carroll, B. H. (Benajah Harvey), 1843-1914
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unknown - Public Domain
Martin, Archer John Porter, 1910-....
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Basinski, William, 1958-
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Mary Snow - CC BY-SA 3.0
Hudson, Lois Phillips, 1927-2010
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unknown - Public Domain
Thomson, James, 1834-1882
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Butterfield, Erskine, 1913-1961
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Mrrealtime - Public Domain
Haberman, Martin
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Kohn, Hedwig
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Ingarden, Roman, 1893-1970
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Library of the London School of Economics and Political Science -
Mackinder, Halford John, 1861-1947
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George Charles Beresford - Public Domain
Tonks, Henry, 1862-1937
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Thiele, T. N. (Thorvald Nicolai), 1838-1910
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Bainbridge, William, 1774-1833
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Ibsen, Sigurd, 1859-1930
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Llliiu - CC BY-SA 4.0
Legrady, George, 1950-....
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William Owen (1769-1825) - Public Domain
Scott, William, Baron Stowell, 1745-1836
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Terauchi, Masatake, 1852-1919
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Story-Press Corporation, - Public Domain
Friganza, Trixie, 1870-1955
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Merman, Ethel, 1908-1984
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Auer, John H., 1906-1975
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Ziff-Davis Publishing / unidentified staff artist - Public Domain
Gold, H. L. (Horace Leonard), 1914-1996
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Johnson, Ban
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Rogers, Fairman, 1833-1900
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Forrest, Nathan Bedford, 1821-1877