Copyright © 1975 by Princeton University Press

Foreword to the Princeton Classics Edition copyright © 2016 by Princeton University Press

Published by Princeton University Press, 41 William Street, Princeton, NJ 08540

In the United Kingdom: Princeton University Press, 6 Oxford Street, Woodstock, Oxfordshire OX20 1TR

All Rights Reserved

First paperback edition, 1975

Second paperback edition, with a new afterword, 2003

Princeton Classics edition, with a new introduction by Richard Whatmore, 2016

Paperback ISBN: 978-0-691-17223-1

Library of Congress Control Number: 2016945835

British Library Cataloging-in-Publication Data is available

This book has been composed in Linotype Janson

Printed on acid-free paper. ∞

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Printed in the United States of America

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