TY - BOOK TI - On metapsychology : the theory of psychoanalysis : Beyond the pleasure principle The ego and the id and other works / Sigmund Freud ; translated from the German under the general editorship of James Strachey ; the present volume compiled and edited by Angela Richards. AU - Freud, Sigmund, SN - 9780140138016 U3 - ECC894804 ER -