Hilgard, Ernest Ropiequet, 1904-2001. Theories of learning / Ernest Ropiequet Hilgard. - 2d ed. - New York : Appleton-Century-Crofts, 1956. - 563 p. : illus. ; 25 cm. Subjects--Topical Terms: Learning, Psychology of LC Class. No.: SPE-B 0136