Anonymous
Jean de Paleologue (Romanian, 1855 - 1942)
Anonymous
Strobridge & Co. Lith. (American, 1847 -)
National Institutes of Health (American, 1887-)
Anonymous
Jean d'Ylen (French, 1886-1938)
René Le Texier (French, 20th Century)
Paul Showalter (American, 20th Century)
Julius Gipkens (German, 1883-1968)
Laboratoires Lescène (French, 20th Century)
Bristow Adams (American, 1875 – 1956)
Anonymous
Charles W. Holmes (American, 19th/20th century)
Laboratoires Drouet & Plet (French, 20th Century)
Howard Liberman (American, 19th/20th Century)
Anonymous
Leslie Ragan (American, 1897-1972)
Imp. Charles Lévy (French, 19th/20th century)
Emil Cardinaux (Swiss, 1877–1936)
Edward Penfield (American, 1866 - 1925)
Edward Penfield (American, 1866 - 1925)
G. Starace (French, 19th/20th century)
John Philip Falter (American, 1910–1982)