
National Institutes of Health (American, 1887-)

Walter E. Spradberry (English, 1889-1969)

Laboratoires de thérapeutique antirhumatismale Sarein (French, 20th Century)

Edward Penfield (American, 1866 - 1925)

Leonetto Cappiello (Italian, 1875-1942)

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

Anonymous

Robertson, Seibert & Shearman. (American, 19th Century)

Laboratoires Zizine (French, 20th Century)

National Caries Program (American, 20th Century)

Anonymous

Anonymous

W. George (English, 19th century)

National Institutes of Health (American, 1887-)

Jules Chéret (French, 1836-1932)

Eugene Feldman (American, 1921-1975)

Howard Chandler Christy (American, 1873 - 1952)

Ferdinand Misti-Mifliez (French, 1865-1923)

Anonymous