Upper portion of the verso
of the title page.
In First Impression copies no later impressions are recorded below the 'First published in 1955'
First published in 1955
This book is copyright under the Berne Convention. Apart from any fair dealing
for the purposes of private study, research, criticism or review, as permitted under the Copyright Act 1911, no portion may be
reproduced by any process without written permission. Enquiry should be made to the publisher.
© George Allen and Unwin
Printed in Great Britain
in 11 on 12 point Imprint type by Jarrold and Sons Limited Norwich