
Laboratoires G. Reaubourg (French, 20th Century)

Eric Rohman (Swedish, 1891 - 1949)

Anonymous

Rachael Romero (Australian, b. 1953)

Laboratoire Lobica (French, 20th Century)

Anonymous

Julius Klinger (Austrian, 1876 – 1942)

Anonymous

Anonymous

Laboratoires Cortial (French, 20th Century)

Anonymous

Anonymous

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

Michael David Brown (American, 1940 -)

Elizabeth S Tucker (American, late 19th century)

Franciszek Zajchowski (Polish, 1860-1923)

Anonymous

Atelier Hinotte (French, 19th/20th century)

Florentin Moll (Swiss, 1884 – 1942)

Emil Cardinaux (Swiss, 1877–1936)

Sackett & Wilhelms Litho. (American, 19th/20th Century)