Fred Taylor (English, 1875-1963)
Will Bradley (American, 1868 – 1962)
National Institutes of Health (American, 1887-)
U.S. Information Agency (American, 1953-1999)
U.S. Information Agency (American, 1953-1999)
Adolphe Léon Willette (French, 1857 - 1926)
Don Chester Powell (American, 1896-1964)
Maxfield Parrish (American, 1870 - 1966)
Dudley Hardy (English, 1867-1922)
Michael David Brown (American, 1940 -)
Louis Siegriest (American, 1899 -1989)
Ritchey Lith. Corp. (American, 19th/20th Century)
Lester Beall (American, 1903-1969)
Maximilian Lenz (Austrian, 1860 – 1948)
Anonymous
Elun Mason (American, 19th century)
National Institutes of Health (American, 1887-)
George Reiter Brill (American, 1867 - 1918)
Anonymous
Anonymous
U.S. Information Agency (American, 1953-1999)
Chas E. Wemple (American, 19th/20th Century)
Fred Taylor (English, 1875-1963)
Carel Adolph Lion Cachet (Dutch, 1864 – 1945)