Theo Nieuwenhuis (Dutch, 1866-1951)
Bureau of the Census (American, 1902 - )
Oluf Wold-Torne (Norwegian, 1867 – 1919)
Otis Lithograph Co (American, 19th/20th Century)
Marianne Hitschmann-Steinberger (Austrian, 1877 - 1919)
National Institutes of Health (American, 1887-)
George Reiter Brill (American, 1867 - 1918)
Jules-Alexandre Grün (French, 1868-1934)
Leonetto Cappiello (Italian, 1875-1942)
James Montgomery Flagg (American, 1877-1960)
Anonymous
Anonymous
Anonymous
Kurt Libesny (Austrian, 1892-1933)
U.S. Information Agency (American, 1953-1999)
Anonymous
Anonymous
Laura Knight (English, 1877-1970)
National Institutes of Health (American, 1887-)
Burkhard Mangold (Swiss, 1873-1950)
Anonymous
National Institutes of Health (American, 1887-)
Harold Pym (English, active 1930-1970s)