Hatch Lith. Co. (American, 19th/20th Century)
Henri Villain (French, 1878-1938)
Anonymous
Jaap Hofman (Dutch, 20th Century)
F. Heppenheimer & Co (American, 19th/20th Century)
Anonymous
Anonymous
Anonymous
Albert Sterner (American, 1863 – 1946)
Dmitriĭ Stakhievich Moor (Russian, 1883-1946)
Michael David Brown (American, 1940 -)
Eric Rohman (Swedish, 1891 - 1949)
Anonymous
National Institutes of Health (American, 1887-)
Anonymous
Anonymous
Anonymous
Anonymous
Jules-Alexandre Grün (French, 1868-1934)
Blanche McManus (American, 1869–1935)
Eric Rohman (Swedish, 1891 - 1949)
Anonymous
Joseph Christian Leyendecker (American, 1874 - 1951)
Otto Lange (German, 1879-1944)
Florence Lundborg (American, 1871-1949)
Adolfo Hohenstein (German, 1854–1928)
Leo Visser (Dutch, 1880-1950)
National Institutes of Health (American, 1887-)
Anonymous
Howard Chandler Christy (American, 1873 - 1952)
Anonymous
John W. Sheeres (American, active 1920s-1940s)
Anonymous
Alfred Choubrac (French, 1853-1902)
Anonymous
Anonymous
Peace Corps (American, 20th Century)
Eric Rohman (Swedish, 1891 - 1949)
Dietmar Winkler (German, 1938 -)
Mitsutani Kunishiro (Japanese, 1874-1936)
Anonymous