Intelligence: its nature and nurture. - Whipple, Guy Montrose, 1876-1941; Carmichael, Leonard, 1898-1973; Freeman, Frank N. 1880-1961; Goodenough, Florence L.; Hollingworth, Leta Stetter, 1886-1939; Jones, Harold E. 1894-1960; Stoddard, George Dinsmore, 1897-1981; Terman, Lewis Madison, 1887-1956; Wellman, Beth L., 1895-1952 (Yearbook of the National Society for the Study of Education ;, 1940)