
Laboratoires du docteur Roussel (French, 20th Century)

Emmanuel Wyttenbach (American, 1857 - 1903)

Laboratoires Cantin (French, 20th Century)

Anonymous

Laboratoires Charvoz (French, 20th Century)

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

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

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

Eric Rohman (Swedish, 1891 - 1949)

Albert Welti (Swiss, 1862–1912)

Lucien Baylac (French, 1851–1913)

Wilhelm Battermann (German, 1872-1964)

Frederick Coffay Yohn (American, 1875-1933)

National Institutes of Health (American, 1887-)

Julius Klinger (Austrian, 1876 – 1942)

Imp. Camis (French, 19th/20th century)

Fritz Grotemeyer (German, 1864-1947)

Cleo Sara (American, 20th Century)