National Institutes of Health (American, 1887-)
Adolphe Léon Willette (French, 1857 - 1926)
Louis Tauzin (French, 1845–1914)
Anonymous
U.S. Lithograph Co. (American, 19th/20th Century)
Anonymous
Bristow Adams (American, 1875 – 1956)
A.W.B. Lincoln (American, 19th/20th Century)
Adolph Treidler (American, 1886–1981)
Norman Wilson (English, 20th Century)
Anonymous
Stanisław Siestrzencewicz-Bohusz (Polish, 1869-1927)
Manuel Orazi (Italian, 1860-1934)
Jean de Paleologue (Romanian, 1855 - 1942)
Theo Nieuwenhuis (Dutch, 1866-1951)
Anonymous
Anonymous
Edward Penfield (American, 1866 - 1925)
Giuseppe Boano (Italian, 1872-1938)
Orson Lowell (American, 1871-1956)
Egon Schiele (Austrian, 1890-1918)
Edward Vincent Brewer (American, 1883-1971)
Morgan Litho Co. (American, 19th/20th Century)
Lucien Marie François Métivet (French, 1863 - 1932)