Anonymous
Lanny Sommese (American, 1943-)
Adolphe Léon Willette (French, 1857 - 1926)
Pat Keely (English, 1901-1970)
National Institutes of Health (American, 1887-)
William Carqueville (American, 1871-1946)
Jules Chéret (French, 1836-1932)
National Printing & Engraving Company (American, 19th/20th Century)
Auguste Roedel (French, 1859-1900)
Henry Summer Watson (American, 1868-1933)
Albert Guillaume (French, 1873 – 1942)
Leonard Winterowski (Polish, 1886-1927)
Al Hirschfeld (American, 1903-2003)
John Buczak (American, 20th Century)
Edward Penfield (American, 1866 - 1925)
Henri C. R. Presseq (French, 19th Century)
Arthur Burdett Frost (American, 1851 - 1928)
Louis Siegriest (American, 1899 -1989)
Frank Berkeley Smith (American, 1869-1931)
Anonymous
Joseph Pennell (American, 1857-1926)
Jan Oortman Sr. (Dutch, 1777-1818)
Anonymous
Jean Matet (French, 1870-1936)
Horace Taylor (English, 1881-1934)
Fortune Bovard (Swiss, 1875-1947)
Tom McGibb (American, 1850-1950)
Anonymous
NASA (American, 1958 -)
Charles Hubbard Woodbury (American, 1870-1939)
Anonymous
U.S. Information Agency (American, 1953-1999)
Frédéric Auguste Cazals (French, 1865–1941)
U.S. Information Agency (American, 1953-1999)
Edward Penfield (American, 1866 - 1925)
Fred Hendriok (German, 1890-1942)
U.S. Information Agency (American, 1953-1999)