Anonymous
Bill Sokol (American, 1923-)
Anonymous
National Cancer Institute (American, 1937-)
Anonymous
Louis Rhead (American, 1857-1926)
Anonymous
Harrison Fisher (American, 1877 - 1934)
W.A. Welsher (American, 19th/20th Century)
Alexander Apsit (Russian, 1880-1944)
U.S. Information Agency (American, 1953-1999)
U.S. Information Agency (American, 1953-1999)
Anonymous
U.S. Information Agency (American, 1953-1999)
Zoro (American, 20th century)
Tappan Adney (American, 1868-1950)
Anonymous
National Institutes of Health (American, 1887-)
Anonymous
Henry Jerome Schile (American, 1829-1901)
Anonymous
Bureau of the Census (American, 1902 - )
Theo Nieuwenhuis (Dutch, 1866-1951)
Anonymous
Theo Nieuwenhuis (Dutch, 1866-1951)
U.S. Information Agency (American, 1953-1999)
Pat Keely (English, 1901-1970)
Ernest Peixotto (American, 1869–1940)
Anonymous
Orson Lowell (American, 1871-1956)
Joseph Byron Egan (American, 1906-1962)
Anonymous
National Institutes of Health (American, 1887-)
Will Bradley (American, 1868 – 1962)
Alex Colville (Canadian, 1920 – 2013)
Auguste Donnay (Belgian, 1862 - 1911)
Claude Fayette Bragdon (American, 1866 - 1946)
Freeman Gage Delamotte (English, 1813–1862)
National Institutes of Health (American, 1887-)
Charles Lucas (French, 1871 - 1930)
Anonymous
Anonymous
Anonymous
Eric Rohman (Swedish, 1891 - 1949)
Anonymous
Johann Vincenz Cissarz (German, 1873-1942)
Joseph Christian Leyendecker (American, 1874 - 1951)
Henri Privat-Livemont (Belgian, 1861–1936)
Anonymous
Anonymous
Anonymous
Will Bradley (American, 1868 – 1962)
Jean Carlu (French, 1900-1997)
Strobridge and Co (American, 1910-1954)