Anonymous
National Institutes of Health (American, 1887-)
U.S. Information Agency (American, 1953-1999)
Anonymous
NASA (American, 1958 -)
Artcraft Lithograph (American, 1905–1970)
William Martin Johnson (American, 1862-?)
Anonymous
Julius Bien (American, 1826-1909)
Bureau of the Census (American, 1902 - )
Adolfo Hohenstein (German, 1854–1928)
Wincenty Wodzinowski (Polish, 1866-1940)
Walter Ditz (Czech, 1887–1925)
Northwestern Litho. Co. (American, 19th/20th Century)
Kurt Schwitters (German, 1887 - 1948)
Jean d'Ylen (French, 1886-1938)
H. C. Tunison (American, 19th/20th Century)
Anonymous
Teiji Takai (Japanese, 1911-1975)
A. Shaw (American, 19th Century)
Edward Penfield (American, 1866 - 1925)
René Roussel (French, 1885 – 1962)