
Leonetto Cappiello (Italian, 1875-1942)

Imp. F. Champenois (French, 19th/20th century)

Charles Warde Traver (American, 1870-1945)

Ivo Puhonny (German, 1876 - 1940)

Anonymous

Karl Dahl (Norwegian, 19th/20th century)

Laboratoire Marinier (French, 20th Century)

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

National Institutes of Health (American, 1887-)

Charles Buckles Falls (American, 1874-1974)

John Buczak (American, 20th Century)

Fernand Louis Gottlob (French, 1873-1935)

Imp. Paul Dupont (French, 19th/20th century)

Alois Hans Schram (Austrian, 1864 – 1919)

Anonymous

Imp. F. Champenois (French, 19th/20th century)

Laboratoires Amido (French, 20th Century)

Imp. Chaix (French, 1845 - 1965)

Anonymous

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

Laboratoires Charvoz (French, 20th Century)

Laboratoire Lobica (French, 20th Century)

Julius Klinger (Austrian, 1876 – 1942)