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First published 1845
Reissued in the Penguin English Library 1980
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Introduction copyright © R. A. Butler, 1980
Editorial matter and notes copyright © Thom Braun, 1980
All rights reserved
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Made and printed in Great Britain by
Hazell Watson & Viney Ltd, Aylesbury, Bucks
Set in Intertype Pilgrim
Except in the United States of America, this book is sold subject to the condition that it shall not, by way of trade or otherwise, be lent, re-sold, hired out, or otherwise circulated without the publisher’s prior consent in any form of binding or cover other than that in which it is published and without a similar condition including this condition being imposed on the subsequent purchaser