H.C. Miner Litho. Co. (American, 1896-1935)
Howard Crosby Renwick (American, 1885-1955)
Anonymous
Michael David Brown (American, 1940 -)
U.S. Information Agency (American, 1953-1999)
Bogdan Nowakowski (Polish, 1887-1945)
National Institutes of Health (American, 1887-)
Anonymous
Leonetto Cappiello (Italian, 1875-1942)
Henry Jerome Schile (American, 1829-1901)
Emil Cardinaux (Swiss, 1877–1936)
Hans Rudi Erdt (German, 1883 – 1918)
Anonymous
E.M. Barton (American, 19th/20th Century)
John Nunney (English, 1897-1966)
Rachael Romero (Australian, b. 1953)