Anonymous
Rudolf Kalvach (Austrian, 1883–1932)
Lanny Sommese (American, 1943-)
Anonymous
A.S. Seer's Litho. (American, 19th Century)
National Institutes of Health (American, 1887-)
Strobridge and Co (American, 1910-1954)
National Institutes of Health (American, 1887-)
Edward Penfield (American, 1866 - 1925)
Karl Wiener (Austrian, 1901-1949)
Anonymous
Eric Rohman (Swedish, 1891 - 1949)
Roland Davies (Welsh, 1904-1993)
Albert Wilfred Barbelle (American, 1887–1957)
National Institutes of Health (American, 1887-)
Anonymous
Anonymous
Anonymous
Lawrence Beall Smith (American, 1909-1995)
Anonymous
Anonymous
Otto Tragy (German, 1866-1928)
Anonymous
Walter Riemer (German, 1896-?)
Theo van Hoytema (Dutch, 1863-1917)