Hull, Clark Leonard, 1884- Principles of behavior : an introduction to behavior theory/ b y Clark L. Hull ... - New York : D. Appleton-Century Co., 1943 - xp., 1 I ., 422p.m 1 1 : ill., diagrs. ; 22cm - Half-title: the century psychology series ; R. M. Elliott, editor . . References at end of each chapter. Subjects--Topical Terms: Behaviorism (Psychology). Dewey Class. No.: 150.1943 HUL