
National Institutes of Health (American, 1887-)

The Willmarths (American, 20th Century)

Alfred Choubrac (French, 1853-1902)

Theodor Barth (Swiss, 1875 - 1949)

Laboratoires Licardy (French, 20th Century)

Hans Unger (German, 1872 – 1936)

Otto Plattner (Swiss, 1886-1951)

Emil Cardinaux (Swiss, 1877–1936)

Charles D. Williams (American, 1875-1954)

Paul Kammüller (German, 1885-1946)

The Otis Lithograph Co. (American, 19th/20th Century)

Imp. F. Champenois (French, 19th/20th century)

Theo van Hoytema (Dutch, 1863-1917)

Anonymous

Adolph Treidler (American, 1886–1981)

Anonymous

Anonymous

Thomas Theodor Heine (German, 1867-1948 )

George Goldschmidt (American, 19th Century)

Laboratoires du docteur Roussel (French, 20th Century)

Francis Prompt (French, 20th Century)