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

Will Bradley (American, 1868 – 1962)

Liebler and Maass Lith. (American, 19th/20th Century)

Edwin Howland Blashfield (American, 1848 - 1936)

Theo van Hoytema (Dutch, 1863-1917)

Ethel Reed (American, 1874 - 1900)

National Institutes of Health (American, 1887-)

Plinio Codognato (Italian, 1878-1940)

Laboratoire du docteur Bengué et fils (French, 20th Century)

Anonymous

Francis Day (American, 1863-1942)

Joseph Christian Leyendecker (American, 1874 - 1951)

Anonymous

Laboratoires Licardy (French, 20th Century)

Julius Klinger (Austrian, 1876 – 1942)

Lith. F. Appel (French, 19th/20th century)

Ethel Reed (American, 1874 - 1900)

Ludwig Lutz Ehrenberger (Austrian, 1878-1950)