Translated under supervision of JOAN RIVIERE.

THE INTERNATIONAL PSYCHO-ANALYTICAL LIBRARY EDITED BY ERNEST JONES NO. 12.

THE EGO AND THE ID

BY SIGM. FREUD, M.D., LL.D.

AUTHORIZED TRANSLATION BY JOAN RIVIERE

PUBLISHED BY LEONARD & VIRGINIA WOOLF AT THE HOGARTH PRESS, 52 TAVISTOCK SQUARE, LONDON, W.C. AND THE INSTITUTE OF PSYCHO-ANALYSIS MCMXXVII

Printed in Great Britain by R. & R. Clark, Limited, Edinburgh.