Edward Penfield (American, 1866 - 1925)
National Institutes of Health (American, 1887-)
Bode (American, 20th Century)
Jolijn van de Wouw (Dutch, 1942-2001)
Edward Penfield (American, 1866 - 1925)
Eric Rohman (Swedish, 1891 - 1949)
Centers for Disease Control and Prevention (American, 1946-)
Burkhard Mangold (Swiss, 1873-1950)
Eric Rohman (Swedish, 1891 - 1949)
Anonymous
Westwood, Fiel and Colmann (American, 19th/20th Century)
National Institutes of Health (American, 1887-)
Plinio Codognato (Italian, 1878-1940)
Anonymous
Edward Penfield (American, 1866 - 1925)
Burkhard Mangold (Swiss, 1873-1950)
O'Connell (English, 20th Century)
U.S. Information Agency (American, 1953-1999)
Anonymous
Anonymous
Louis Rhead (American, 1857-1926)
Peace Corps (American, 20th Century)
Albert Wilfred Barbelle (American, 1887–1957)
Theo van Hoytema (Dutch, 1863-1917)