Jorge Somarriba (American, 20th Century)
Henry Summer Watson (American, 1868-1933)
Carl Hinrich Griese (German, 1857-1933)
Anonymous
Anonymous
Anonymous
U.S. Information Agency (American, 1953-1999)
Paul Berthon (French, 1872-1909)
National Institutes of Health (American, 1887-)
James Fitton (English, 1899 – 1982)
Anonymous
Walter Russell (American, 1871-1963)
Théophile Alexandre Steinlen (Swiss, 1859-1923)
Edouard Duyck (Belgian, 1859 - 1944)
National Institutes of Health (American, 1887-)
National Institutes of Health (American, 1887-)
Abram Games (English, 1914-1996)
Karol Zyndram Maszkowski (Polish, 1868-1938)
Eric Rohman (Swedish, 1891 - 1949)
Edward Penfield (American, 1866 - 1925)
Anonymous
Jack Rivolta (American, 1890-?)
Henry McCarter (American, 1864-1942)
U.S. Information Agency (American, 1953-1999)