
Claude Fayette Bragdon (American, 1866 - 1946)

Laboratoire d'actino-biologie (French, 20th Century)

Ephraim Moses Lilien (Polish, 1874-1925)

Jove (American, 20th Century)

Anonymous

Imp. Emile Lévy (French, 19th/20th century)

Imp. Réunies de Lyon (French, 19th/20th century)

Strobridge & Co. Lith. (American, 1847 -)

Lith. F. Appel (French, 19th/20th century)

Laboratoire du docteur Albert Vermersch (French, 20th Century)

Anonymous

National Institutes of Health (American, 1887-)

Robert Stöcklin (Swiss, 1889–1931)

Josef von Diveky (Hungarian, 1887-1951)

Gisbert Combaz (Belgian, 1869-1941)

National Institutes of Health (American, 1887-)

Valdemar Andersen (Danish, 1875-1928)

U.S. Information Agency (American, 1953-1999)

Anonymous