Gustav Wilhelm Krollmann (Austrian, 1888-1962)
U.S. Lithograph Co. (American, 19th/20th Century)
Albert Wilfred Barbelle (American, 1887–1957)
Anonymous
Howard Chandler Christy (American, 1873 - 1952)
Anonymous
Anonymous
Anonymous
George Frederick Scotson-Clark (American, 1873 - 1973)
George Reiter Brill (American, 1867 - 1918)
U.S. Information Agency (American, 1953-1999)
Huib Luns (Dutch, 1881-1942)
Leonetto Cappiello (Italian, 1875-1942)
Jean de Paleologue (Romanian, 1855 - 1942)
Anonymous
Anonymous
Reinier Willem Petrus de Vries (Dutch, 1874 - 1952)
Georges Meunier (French, 1869-1942)
James Montgomery Flagg (American, 1877-1960)
National Institutes of Health (American, 1887-)
Anonymous
Hubert Chapin (American, 20th Century)
Starmer (American, 19th/20th century)