Inside Out Library · ExploreColor problems; a practical manual for the lay student of color (1903)Vanderpoel, Emily Noyes, 1842-1939 · New York [etc.] Longmans, Green · leaf 219Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.More pictures from Color problems; a practical manual for the lay student of colorMore like this
