
Dmitriĭ Stakhievich Moor (Russian, 1883-1946)

Laboratoires Couderc (French, 20th Century)

Kiyoshi Awazu (Japanese, 1929 –2009)

Laboratoires du docteur Roussel (French, 20th Century)

Anonymous

Nature & Method Publ. Co. (American, 19th/20th century)

Gibson & Co. Lith (American, 19th Century)

Laboratoires du Gambéol (French, 20th Century)

Laboratoire Leconte (French, 20th Century)

Adolf Karpellus (Austrian, 1869-1919)

Anonymous

Rudolf Urech (Swiss, 1888 – 1951)

Nancy C. Pokross (American, 20th century)

Maximilien Luce (French, 1858-1941)

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

R. Morris Swander (American, 19th Century)

Anonymous

Eric Rohman (Swedish, 1891 - 1949)

Laboratoires A. Ranson (French, 20th Century)

Laboratoire Lobica (French, 20th Century)

Laboratoires Drouet & Plet (French, 20th Century)

Laboratoires Cantin (French, 20th Century)

Laboratoires Laleuf (French, 20th Century)

Ivo Puhonny (German, 1876 - 1940)

Anonymous