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Hubert von Herkomer - Public Domain
Slattery08 - CC BY-SA 4.0
unknown - Public Domain
Photographer-Friedman-Abeles, New York - Public Domain
Stephen Malagodi - CC BY 3.0
Ottavio d'Albuzzi († 1855) - Public Domain
Georges Biard - CC BY-SA 3.0
Stereoscopic Co. (that's how it's listed on the original stereoscope) - Public Domain
Willem van de Poll - CC BY-SA 3.0
Internet Archive Book Images -
Basher Eyre -
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Hubert von Herkomer - Public Domain
Zimmern, Helen, 1846-1934
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Maclean, John, 1879-1923
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Slattery08 - CC BY-SA 4.0
Cruz, Emilio, 1938-
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unknown - Public Domain
Varchi, Benedetto, 1503-1565
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Photographer-Friedman-Abeles, New York - Public Domain
Jones, Carolyn, 1930-1983
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Hausegger, Siegmund von 1872-1948
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Sarabhai, Vikram A., 1919-1971
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Stephen Malagodi - CC BY 3.0
Morisseau-Leroy, Félix, 1912-1998
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unknown - Public Domain
King, Karl, 1891-1971
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Gross, Anthony, 1905-1984
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Bonaparte, Charles J. (Charles Joseph), 1851-1921
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Howley, William, 1766-1848
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Ottavio d'Albuzzi († 1855) - Public Domain
Kerner, Justinus Andreas Christian, 1786-1862
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Michael, Gertrude, 1911-1964
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Georges Biard - CC BY-SA 3.0
Rosen, Beatrice
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John Paul II, Pope, 1920-2005
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Oberth, Hermann, 1894-1989
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Ludwig, Christian Gottlieb, 1709-1773
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Anderson, Thomas, 1832-1870
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Stereoscopic Co. (that's how it's listed on the original stereoscope) - Public Domain
Reuter, Florizel von 1890-1985
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unknown - Public Domain
Botkine, Tatiana
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Willem van de Poll - CC BY-SA 3.0
Nelson, Rudolf, 1878-1960
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Nilus, Petr Aleksandrovich, 1869-1943
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Internet Archive Book Images -
Barbier, Antoine-Alexandre, 1765-1825
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Cavaignac, Eugène, 1802-1857
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Basher Eyre -
Maufe, Edward, Sir, 1883-1974
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Efrat, Benni, 1936-....
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Fulton, James G. (James Grove), 1903-1971
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Sidney, Philip, 1554-1586
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Kyprianoú, Spýros 1932-2002