National Institutes of Health (American, 1887-)
Charles Hubbard Woodbury (American, 1870-1939)
Henri Cassiers (Belgian, 1858-1944)
Henri de Toulouse-Lautrec (French, 1864-1901)
George Reiter Brill (American, 1867 - 1918)
Wolfgang Molnar (Hungarian, 1897-1945)
Anonymous
Josef Reiner (Austrian, 1863-1910)
Jindrich Styrsky (Czech, 1899-1942)
Will Bradley (American, 1868 – 1962)
Moriz Jung (Austrian, 1885–1915)
Dransy (French, 1883-1945)
Alice Cordelia Morse (American, 1863-1961)
U.S. Lithograph Co. (American, 19th/20th Century)
Anonymous
Thomas Theodor Heine (German, 1867-1948 )
National Institutes of Health (American, 1887-)
Anonymous
Claude Fayette Bragdon (American, 1866 - 1946)
Marco Giugno (Italian, 19th/20th Century)
Anonymous
Peace Corps (American, 20th Century)
Louis Rhead (American, 1857-1926)
Anonymous