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John Scougal (1645–1730) - Public Domain
Sage Ross - CC BY-SA 3.0
The Theatre Magazine Co. - Public Domain
Sumori - CC BY-SA 3.0
NASA - Public Domain
Unknown - Public Domain
unknown -
Henry Alexander White, author. G. P. Putnam's Sons (New York, NY), publisher. - Public Domain
ContentEditor949 - CC BY-SA 3.0
Dick Lyon - Public Domain
Anonymous - Public Domain
Swingsong.or - CC BY-SA 4.0
original uploader - Public Domain
United States Navy - Public Domain
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Holland, Henry Rich, Earl of, 1590-1649
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John Scougal (1645–1730) - Public Domain
Heriot, George, 1563-1624
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Sage Ross - CC BY-SA 3.0
Proctor, Robert, 1954-
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Dixon, A. (Archibald), 1802-1876
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The Theatre Magazine Co. - Public Domain
Bingham, Amelia, 1869-1927
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Sumori - CC BY-SA 3.0
Crawford, James, 1934-2012
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Pacioli, Luca, approximately 1445-1517
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Price, M. Elizabeth (Mary Elizabeth), 1877-1965
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Caullery, Maurice, 1868-1958
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NASA - Public Domain
Hartsfield, Henry W., 1933-2014
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Unknown - Public Domain
Lombardi, Vince
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Palester, Roman, 1907-1989
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unknown -
Hinton, Walter, 1888 or 1889-1981
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Henry Alexander White, author. G. P. Putnam's Sons (New York, NY), publisher. - Public Domain
Lee, Robert E. (Robert Edward), 1843-1914
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Heflin, Van, 1910-1971
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Madison, James, 1751-1836
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Loeb, William, 1905-1981
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ContentEditor949 - CC BY-SA 3.0
Love, Susan M.
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Stassinopoulos, Arianna
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Dick Lyon - Public Domain
Mead, Carver.
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Lanier, Jaron.
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Travers, Susan
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Anonymous - Public Domain
Scott, Austin, 1848-1922
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Swingsong.or - CC BY-SA 4.0
Carone, Nicholas, 1917-2010
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Milon, Louis-Jacques Jessé, 1765-1849
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original uploader - Public Domain
Niblack, Albert P. (Albert Parker), 1859-1929
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Cliver, Al
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Pughe, W. Owen (William Owen), 1759-1835
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Hollander, Bernard, 1864-1934
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United States Navy - Public Domain
Crose, W. M. (William Michael), 1867-1929