Laboratoires Midy (French, 20th Century)
Laboratoires Midy (French, 20th Century)
Laboratoires Norgan (French, 20th Century)
Laboratoires G. Beytout (French, 20th Century)
Laboratoires G. Beytout (French, 20th Century)
Laboratoires G. Beytout (French, 20th Century)
Laboratoires G. Beytout (French, 20th Century)
Laboratoires G. Beytout (French, 20th Century)
Laboratoires G. Beytout (French, 20th Century)
Laboratoires G. Beytout (French, 20th Century)
Anonymous
Laboratoires Jacques Lorthioir (French, 20th Century)
Mich (Michel Liebeaux) (French, 1881-1923)
E. Paul Champseix (French, 19th/20th century)
Laboratoires Cruet (French, 20th Century)
Laboratoires Cruet (French, 20th Century)
Emil Cardinaux (Swiss, 1877–1936)
Laboratoire Lobica (French, 20th Century)
Laboratoire Lobica (French, 20th Century)
Adolph Treidler (American, 1886–1981)
U.S. Information Agency (American, 1953-1999)
Anonymous
Anonymous
L. B. Jameson (Canadian, 20th Century)
Anonymous
Anonymous
Ray Prohaska (American, 1901 - 1981)