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National Archives and Records Administration, identifier #12091238 (local identifier #P 48) - Public Domain
Markazan-e-Tasaweer - Public Domain
Medialuka - CC BY-SA 3.0
unknown - Public Domain
Public Domain
Bt512000 - CC BY-SA 4.0
Sol Hurok (concert promoter). There is a photographer's signature at lower right, but I can't make out what it says. - Public Domain
Harris & Ewing - Public Domain
Wilhelm Fechner (active in last decade of XIX) - Public Domain
Stanford University / Courtesy Stanford News Service - CC BY 3.0
Bain News Service, publisher - Public Domain
dvsross - CC BY 2.0
user at project - CC BY-SA 2.5
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National Archives and Records Administration, identifier #12091238 (local identifier #P 48) - Public Domain
Holmes, Oliver W. (Oliver Wendell), 1902-1981
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Markazan-e-Tasaweer - Public Domain
Khan, Muhammad Zafrulla, 1893-1985
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Medialuka - CC BY-SA 3.0
Tsuchiya, Tilsa, 1929-1984
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Denham, John, Sir, 1615-1669
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unknown - Public Domain
Andreev, A. A. (Andreĭ Andreevich), 1895-
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Public Domain
Rice, James Clay, 1829-1864
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unknown - Public Domain
Ullmann, Viktor
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Bt512000 - CC BY-SA 4.0
Spitzer, Serge, 1951-2012
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Marshall, I. H. (Ian H.)
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Hamilton, William, 1751-1801
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Sol Hurok (concert promoter). There is a photographer's signature at lower right, but I can't make out what it says. - Public Domain
Dobbs, Mattiwilda
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Harris & Ewing - Public Domain
Garvan, Francis P. (Francis Patrick), 1875-1937
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Wilhelm Fechner (active in last decade of XIX) - Public Domain
Lucae, August, 1835-1911
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Kerr, Walter, 1913-1996
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Libes, Don, 1958-
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Craig, Larry E.
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Gibbs, James, 1682-1754
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Stanford University / Courtesy Stanford News Service - CC BY 3.0
Bloch, Felix, 1905-....
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unknown - Public Domain
Caine, John T. (John Thomas), 1829-1911
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Bain News Service, publisher - Public Domain
McCawley, Charles Laurie, 1865-1935
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Sassoon, Albert Abdullah David, 1818-1896
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unknown - Public Domain
Wilson, Arthur, Sir (Arthur Knyvet), 1842-1921
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unknown - Public Domain
Windle, Bertram C.A. (Bertram Coghill Alan), 1858-1929
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Smith, Will, 1968-....
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Sweet, Burton Erwin, 1867-1957
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dvsross - CC BY 2.0
López, Jennifer, 1970-
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Alma-Tadema, Anna, 1865-1943
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user at project - CC BY-SA 2.5
Peace Pilgrim, -1981
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Fenn, Edward Hart, 1856-1939
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Clarke, Samuel, 1599-1682