
Anonymous

Eric Gill (English, 1882-1940)

Philippe Chapellier (French, 19th/20th Century)

Katherine Milhous (American, 1894–1977)

Anonymous

Anonymous

Richard Nicolaüs Roland Holst (Dutch, 1868 - 1938)

Howard Crosby Renwick (American, 1885-1955)

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

Laboratoire Freyssinge (French, 20th Century)

Aleardo Villa (Italian, 1865-1906)

Etablissements Minot (French, 19th/20th century)

Joseph Christian Leyendecker (American, 1874 - 1951)

Félix Vallotton (French, 1865-1925)

Laboratoires Bailly (French, 20th Century)

Anonymous

Henri-Gabriel Ibels (French, 1867 - 1936)

Lith. Van Geleyn (French, 19th/20th century)

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

Etablissements Byla (French, 20th Century)

Edward Penfield (American, 1866 - 1925)

Otto Plattner (Swiss, 1886-1951)

Henry Summer Watson (American, 1868-1933)

National Institutes of Health (American, 1887-)

Albert Guillaume (French, 1873 – 1942)