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

Robert Stöcklin (Swiss, 1889–1931)

Maurice Réalier-Dumas (French, 1860–1928)

Horace Devitt Welsh (American, 1888-1942)

National Institutes of Health (American, 1887-)

Adolf Friedländer Lith. (German, 19th/20th century)

Imp. Chaix (French, 1845 - 1965)

Alexandre de Riquer (Spanish, 1856 - 1920)

Anonymous

Anonymous

Leonetto Cappiello (Italian, 1875-1942)

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

Otto Greiner (German, 1869-1916)

Laboratoires Camuset (French, 20th Century)

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

Sergei Ivanovich Ivanov (Russian, 1885-1942)

Théophile Alexandre Steinlen (Swiss, 1859-1923)

Laboratoires Ch. Brésil (French, 20th Century)