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http://dph-foundation.web.officelive.com/TrueDetective.aspx - Public Domain
unknown - Public Domain
Hammondite - CC BY 3.0
Rufus Porter Moody - Public Domain
E. M. Haynes - Public Domain
Jllm06 - CC BY-SA 4.0
gdcgraphics at https://www.flickr.com/photos/gdcgraphics/ -
Public Domain
Giustino Menescardi - Public Domain
Merlin Holland - CC BY-SA 3.0
Bain - Public Domain
Image from Wikimedia Commons
http://dph-foundation.web.officelive.com/TrueDetective.aspx - Public Domain
Powers, Harry
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Bard, Samuel, 1742-1821
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Loos, Adolf, 1870-1933
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unknown - Public Domain
Hutchinson, J. Edward (Jesse Edward), 1914-1985
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Hammondite - CC BY 3.0
Smith, Jimmy
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Robinson, Ken, 1946-
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Rufus Porter Moody - Public Domain
Pickford, Mary, 1892-1979
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Bolingbroke, Frederick St. John, Viscount, 1734-1787
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McArthur, Duncan, 1772-1839
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Hayes, George, 1885-1969
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Moreell, Ben, 1892-1978
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Moore, George, 1852-1933
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Chigi, Agostino, 1466-1520
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unknown - Public Domain
Hepburn, Arthur J. (Arthur Japy), 1877-1964
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E. M. Haynes - Public Domain
Ripley, William Young Warren, 1832-1905
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Wright, N. T. (Nicholas Thomas)
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Beckner, Michael Frost.
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Mangan, James Clarence, 1803-1849
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Dieulafoy, Georges, 1839-1911
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Contino, Dick
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Jllm06 - CC BY-SA 4.0
Beard, Mark
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gdcgraphics at https://www.flickr.com/photos/gdcgraphics/ -
Redgrave, Lynn, 1943-2010
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Public Domain
Istrati, Panaït 1884-1935
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Giustino Menescardi - Public Domain
Cabot, John, -1498?
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Stephenson, John Gould, 1828-1883
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Merlin Holland - CC BY-SA 3.0
Holland, Merlin.
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Simmonds, Posy
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Public Domain
Bidder, George Parker, 1806-1878
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unknown - Public Domain
Vaux, Calvert, 1824-1895
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Bain - Public Domain
Earle, Ralph, 1874-1939