Anonymous
Allen Lewis (American, 1873 - 1957)
National Institutes of Health (American, 1887-)
Thomas Hunter, Lith. (American, 19th/20th Century)
Arnold Nechansky (Austrian, 1888–1939)
NASA (American, 1958 -)
Eric Rohman (Swedish, 1891 - 1949)
Leo Visser (Dutch, 1880-1950)
Anonymous
Arnoud Smit (Dutch, 20th Century)
Winsor McCay (American, 1869-1934)
Ramón Casas (Spanish, 1866 – 1932)
Goes Litho. Co. (American, 19th/20th Century)
Ernest Haskell (American, 1876-1925)
Norman Rockwell (American, 1894-1978)
U.S. Lithograph Co. (American, 19th/20th Century)
Anonymous
Marc (French, 19th/20th century)
Ernest Coffin (English, active 1920s-1930s)
Cornelius Hicks (American, 1898-1930)