Anonymous
Fay Gage (American, 20th Century)
Leslie Ragan (American, 1897-1972)
Eric Rohman (Swedish, 1891 - 1949)
Edward McKnight Kauffer (American, 1890-1954)
Adolph Treidler (American, 1886–1981)
League of Women Voters (American, 20th century)
Centers for Disease Control and Prevention (American, 1946-)
National Institutes of Health (American, 1887-)
Mark Rutherford (American, 19th/20th Century)
Joan Llaverias (Spanish, 1865 - 1938)
Remington W. Lane (American, 19th Century)
Georges Gaudy (Belgian, 1872–1940)
Norman Rockwell (American, 1894-1978)
Anonymous
C.H. Perkins (American, 19th/20th Century)
Carel Adolph Lion Cachet (Dutch, 1864 – 1945)
Anonymous
Joseph Rudolf Witzel (German, 1867–1927)
Jozef Chelmonski (Polish, 1849 – 1914)