
John Sheridan (American, 1877 - 1948)

Barnett Freedman (English, 1901 – 1958)

Laboratoire de l'Aeïne (French, 20th Century)

Anonymous

Anonymous

Victor Prouvé (French, 1858-1943)

Elizabeth Tyler Wolcott (American, 1892-1952)

Strobridge & Co. Lith. (American, 1847 -)

Anonymous

Laboratoires G. Reaubourg (French, 20th Century)

Laboratoires biologiques de l'Ile-de-France (French, 20th Century)

Pal (Jean de Paleologue) (Romanian, 1855 - 1942)

Hans Rudi Erdt (German, 1883 – 1918)

Hugo Steiner-Prag (German, 1880-1945)

Laboratoire Galbrun (French, 20th Century)

Anonymous

Auguste Roedel (French, 1859-1900)

Laboratoires Robert & Carrière (French, 20th Century)

Anonymous

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