National Institutes of Health (American, 1887-)
Frederick Duncan (American, 1881-?)
U.S. Information Agency (American, 1953-1999)
Anonymous
Theo Nieuwenhuis (Dutch, 1866-1951)
Strobridge and Co (American, 1910-1954)
Cyril Kenneth Bird (Fougasse) (English, 1887 – 1965)
Maynard Dixon (American, 1875–1946)
Nicolas Tamagno (Italian, 1851 - 1933)
Leonetto Cappiello (Italian, 1875-1942)
Strobridge & Co. Lith. (American, 1847 -)
Theo van Hoytema (Dutch, 1863-1917)
Walter Georgi (German, 1871-1924)
Harry Veltman (Dutch, 20th Century)
Eugène Lami (French, 1800 – 1890)
Edward Penfield (American, 1866 - 1925)
Anonymous
Eric Rohman (Swedish, 1891 - 1949)
Kurt Libesny (Austrian, 1892-1933)
Louis Rhead (American, 1857-1926)
National Institutes of Health (American, 1887-)
Henry Summer Watson (American, 1868-1933)
Anonymous
Jean de Paleologue (Romanian, 1855 - 1942)
Frank S. Nicholson (American, 20th Century)
U.S. Information Agency (American, 1953-1999)