Image from Wikimedia Commons
Kim Letkeman - CC BY-SA 3.0
Rainman111 - CC BY-SA 3.0
Denison Olmstead, author. Daggett, Hinman & Co. (New Haven, CT), engraver. T. R. Marvin (Boston, MA), publisher. - Public Domain
Mathew Brady Levin Corot Handy - Public Domain
unknown - Public Domain
original uploader -
Prolineserver -
Football Card Gallery - Public Domain
Central Intelligence Agency - Public Domain
not stated - Public Domain
John Ponsford of Devon - Public Domain
National Photo Company Collection (Library of Congress) - Public Domain
not mentioned - Public Domain
Stellar Publishing / unidentified staff artist - Public Domain
Image from Wikimedia Commons
Gatewood, Charles B.
Image from Wikimedia Commons
Kim Letkeman - CC BY-SA 3.0
MacNeil, Rita, 1944-
Image from Wikimedia Commons
Shoemaker, E. M. (Eugene Merle), 1928-1997
Image from Wikimedia Commons
Rainman111 - CC BY-SA 3.0
Mishra, Sanjay, 1954-
Image from Wikimedia Commons
Doppler, Christian, 1803-1853
Image from Wikimedia Commons
Comiskey, Charles A.
Image from Wikimedia Commons
Denison Olmstead, author. Daggett, Hinman & Co. (New Haven, CT), engraver. T. R. Marvin (Boston, MA), publisher. - Public Domain
Treadwell, John, 1745-1823
Image from Wikimedia Commons
Childers, Buddy, 1926-2007
Image from Wikimedia Commons
Mathew Brady Levin Corot Handy - Public Domain
Valentine, Edward Kimble, 1843-1916
Image from Wikimedia Commons
unknown - Public Domain
Carrasquilla, Tomás, 1858-1940
Image from Wikimedia Commons
unknown - Public Domain
Cowan, Edith Dircksey, 1861-1932
Image from Wikimedia Commons
Maffei, Giovanni Pietro, 1536?-1603
Image from Wikimedia Commons
Kallen, Kitty
Image from Wikimedia Commons
Bone, Homer Truett, 1883-1970
Image from Wikimedia Commons
original uploader -
Alcock, John, 1430-1500
Image from Wikimedia Commons
Prolineserver -
Krugman, Paul R., 1953-
Image from Wikimedia Commons
Lord, Henry W. (Henry William), 1821-1891
Image from Wikimedia Commons
Football Card Gallery - Public Domain
Hornung, Paul, 1935-
Image from Wikimedia Commons
Beauclerk, Diana, Lady, 1734-1808
Image from Wikimedia Commons
Central Intelligence Agency - Public Domain
Jones, Bob, 1911-1997
Image from Wikimedia Commons
not stated - Public Domain
Baxter, G. R. Wythen (George Robert Wythen), 1815-1854
Image from Wikimedia Commons
Logan, William, 1776-1822
Image from Wikimedia Commons
John Ponsford of Devon - Public Domain
Winterbotham, William, 1763-1829
Image from Wikimedia Commons
unknown - Public Domain
Mancinelli, Luigi
Image from Wikimedia Commons
National Photo Company Collection (Library of Congress) - Public Domain
Williams, Margaret Lindsay, 1888-1960
Image from Wikimedia Commons
Hicks, J. Braxton, 1823-1897
Image from Wikimedia Commons
Buck, Frank, 1884-1950
Image from Wikimedia Commons
not mentioned - Public Domain
Deslandres, Henri Alexandre, 1853-1948
Image from Wikimedia Commons
unknown - Public Domain
Willet, Andrew, 1562-1621
Image from Wikimedia Commons
Stellar Publishing / unidentified staff artist - Public Domain
Weiss, George Henry, 1898-1946