
Laboratoires A. Ranson (French, 20th Century)

Anonymous

Laura LiPuma (American, 20th Century)

Anonymous

Anonymous

Laboratoires biologiques (French, 20th Century)

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

Pal (Jean de Paleologue) (Romanian, 1855 - 1942)

Edouard Duyck (Belgian, 1859 - 1944)

Etablissements Byla (French, 20th Century)

Julius Klinger (Austrian, 1876 – 1942)

Anonymous

Horace Taylor (English, 1881-1934)

Chas E. Wemple (American, 19th/20th Century)

Reinier Willem Petrus de Vries (Dutch, 1874 - 1952)

Laboratoire R. Gallier (French, 20th Century)

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

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

Otto Plattner (Swiss, 1886-1951)