
Hans Sandreuter (Swiss, 1850-1901)

Emil Cardinaux (Swiss, 1877–1936)

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

Courier Litho. Co. (American, 19th/20th Century)

Anonymous

Charles-Lucien Léandre (French, 1862-1934)

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

Eric Rohman (Swedish, 1891 - 1949)

Georges Meunier (French, 1869-1942)

Junzo Ito (Japanese, 19th/20th century)

Laboratoires Chapotot (French, 20th Century)

Laboratoires du docteur Roussel (French, 20th Century)

Anonymous

Otto Plattner (Swiss, 1886-1951)

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

Adrien Barrère (French, 1874-1931)

Walter Cyliax (German, 1899–1945)

Laboratoire du Neurotensyl (French, 20th Century)

National Institutes of Health (American, 1887-)

Laboratoires Laleuf (French, 20th Century)

Zygmunt Glinicki (Polish, 1898–1940)