National Institutes of Health (American, 1887-)
Forbes Co. (American, 19th/20th Century)
Edward McKnight Kauffer (American, 1890-1954)
James Edward Hervey MacDonald (English, 1873-1932)
Anonymous
Anonymous
Strobridge and Co (American, 1910-1954)
U.S. Information Agency (American, 1953-1999)
Eric Rohman (Swedish, 1891 - 1949)
Anonymous
Karl Wiener (Austrian, 1901-1949)
Freeman Gage Delamotte (English, 1813–1862)
Charles Buckles Falls (American, 1874-1974)
A.W.B. Lincoln (American, 19th/20th Century)
Burkhard Mangold (Swiss, 1873-1950)
Anonymous
Reginald Mount (English, 1906–1979)
Anonymous
National Institutes of Health (American, 1887-)
Carlo Piquillo Pandolfi (Italian, 1906-1943)
Dietmar Winkler (German, 1938 -)
Frank Xavier Leyendecker (American, 1876-1924)
William Carqueville (American, 1871-1946)
Manuel Orazi (Italian, 1860-1934)