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original uploader - CC BY-SA 3.0
unknown - Public Domain
US House Office of Photography - Public Domain
Anonymous -
John Opie? - Public Domain
IPork - Public Domain
Photographer is unknown, copyright holder Christine MacLeod - Public Domain
Gretchenmcc - CC BY-SA 4.0
J.J. Frey - Public Domain
Public Domain
Deane Keller - Public Domain
DEDB - CC BY-SA 3.0
Avronj - CC BY-SA 4.0
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Wiertz, Antoine Joseph, 1806-1865
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original uploader - CC BY-SA 3.0
Brilliant, Ashleigh, 1933-
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Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716
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unknown - Public Domain
Verrill, A. Hyatt (Alpheus Hyatt), 1871-1954
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US House Office of Photography - Public Domain
Polis, Jared, 1975-
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Alishan, Ghewond M., 1820-1901
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Israel Meir, ha-Kohen, 1838-1933
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Sabatier, Auguste, 1839-1901
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Crowe, J. A. (Joseph Archer), 1825-1896
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Anonymous -
Schine, G. David (Gerard David), 1927-1996
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John Opie? - Public Domain
Macquarie, Lachlan, 1761-1824
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IPork - Public Domain
Francis, of Assisi, Saint, 1182-1226
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Forqueray, Antoine, 1671-1745
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Jahn, Gunnar, 1883-1971
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Smith, John Quincy, 1824-1901
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Rehn, Frank Knox Morton, 1848-1914
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Photographer is unknown, copyright holder Christine MacLeod - Public Domain
Brack, John, 1920-1999
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Gretchenmcc - CC BY-SA 4.0
Shaw, Patricia A., 1946-
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Pearson, T. Gilbert (Thomas Gilbert), 1873-1943
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J.J. Frey - Public Domain
Wild, James (British architect, 1814-1892)
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Rosenthal, Moriz
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Woodhouse, James, 1770-1809
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Venturi, Giovanni Battista, 1746-1822
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Public Domain
Malvern, Godfrey Martin Huggins, Viscount, 1883-1971
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Bouillon, Henri de la Tour-d'Auvergne, duc de, 1555-1623
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Deane Keller - Public Domain
Kelly, Colin Purdie, 1915-1941
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Mitchell, Nahum, 1769-1853
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Cullen, Thomas Stephen, 1868-1953
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DEDB - CC BY-SA 3.0
Walton, Susana
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Avronj - CC BY-SA 4.0
Peres, Asher, 1934-....