PUBLISHED BY DELL PUBLISHING CO, INC.
I dag hammarskjold plaza,new York,n.y. 10017
Copyright 1946 by oxford university press,inc.
Laurel TM 674623,dell publishing co.,inc.
Reprinted by arrangement with oxford
University press, new York & London
All right reserved
First printing-august,1965
Second printing-septemer,1969
Third printing-january,1971
Fourth printing-february,1974
Fifth printing-october, 1978
Printed in U.S.A.