
Will Bradley (American, 1868 – 1962)

Peter Behrens (German, 1868-1940)

Georges Gaudy (Belgian, 1872–1940)

Alfred Choubrac (French, 1853-1902)

Anonymous

Ludo-Ferrières (French, 19th/20th century)

Laboratoires Le Brun (French, 20th Century)

Anonymous

Frank Thayer Merrill (American, 1848-1936)

Anonymous

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

Anonymous

Anonymous

National Institutes of Health (American, 1887-)

Anonymous

Leonetto Cappiello (Italian, 1875-1942)

Imp. Camis (French, 19th/20th century)

Erie Litho Co. (American, 19th/20th century)

Benjamin Rabier (French, 1864–1939)

John Philip Falter (American, 1910–1982)

Dransy (French, 1883-1945)

Laboratoires du Mictasol (French, 20th Century)

Eduard Renggli (Swiss, 1882–1939)

Will Bradley (American, 1868 – 1962)