National Institutes of Health (American, 1887-)
Eric Rohman (Swedish, 1891 - 1949)
Rudolf Kalvach (Austrian, 1883–1932)
Harvey T. Dunn (American, 1884-1952)
Anonymous
Anonymous
Arthur Burdett Frost (American, 1851 - 1928)
Jules Chéret (French, 1836-1932)
Stanisław Siestrzencewicz-Bohusz (Polish, 1869-1927)
Paul Neu (German, 1881-1940)
Anonymous
Anonymous
Josef Pierre Nuyttens (Belgian, 1885-1960)
Anonymous
Anonymous
George Reiter Brill (American, 1867 - 1918)
U.S. Information Agency (American, 1953-1999)
Strobridge & Co. Lith. (American, 1847 -)
National Institutes of Health (American, 1887-)
Eric Rohman (Swedish, 1891 - 1949)
George Grongnet De Vassé (Maltese, 1774-1862)
Leonetto Cappiello (Italian, 1875-1942)
Mikuláš Galanda (Slovak, 1895 – 1938)
Alphonse Noël (French, 1888–1933)