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

Laboratoires du docteur A. Vermersch (French, 20th Century)

John Gaydos (American, 20th Century)

Hendrik van der Straaten (Dutch, 1665 - 1722)

M. Stéphane (French, 19th/20th century)

Anonymous

Anonymous

Anonymous

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

Reinier Willem Petrus de Vries (Dutch, 1874 - 1952)

Laboratoires G. Beytout (French, 20th Century)

Kurt Schwitters (German, 1887 - 1948)

Anonymous

Anonymous

Anonymous

Emil Cardinaux (Swiss, 1877–1936)

Anonymous

Edwin Austin Abbey (American, 1852 - 1911)

National Institutes of Health (American, 1887-)

Henry Jerome Schile (American, 1829-1901)

Anonymous

Leonida Edel (Italian, 1864-1940)

Ken White (American, 1935–1985)

F. Sindelar (American, 19th/20th Century)

Laboratoires Charvoz (French, 20th Century)