
Edward Penfield (American, 1866 - 1925)

Edmund Edel (German, 1918–1939)

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

A.W.B. Lincoln (American, 19th/20th Century)

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

Anonymous

Thomas Hunter, Lith. (American, 19th/20th Century)

Russell, Morgan & Co. (American, 19th/20th century)

Anonymous

Hans Rudi Erdt (German, 1883 – 1918)

National Institutes of Health (American, 1887-)

Anonymous

Anonymous

Albert Robida (French, 1848-1926)

Laboratoire Dubois (French, 20th Century)

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

Laboratoire Génévrier (French, 20th Century)

Eugène Grasset (French, 1841-1917)

Eric Rohman (Swedish, 1891 - 1949)

Anonymous

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

Anonymous

Jacqui Morgan (American, 1939-2013)

National Institutes of Health (American, 1887-)