Temple University Press

Philadelphia, Pennsylvania 19122

http://tupress.temple.edu/

Copyright © 1971 by Temple University—Of The Commonwealth System of Higher Education

First published 1971.   Reissued 2018.

All material in this work is licensed under a Creative Commons Attribution-NonCommercial-No Derivatives 4.0 United States License unless otherwise noted. A copy of this license is available at https://creativecommons.org/licenses/by-nc-nd/4.0/.

ISBN 9781439917503 (paperback); ISBN 9781439917527 (ebook)

The publication of this volume in a freely accessible digital format has been made possible by a grant from the National Endowment for the Humanities and the Andrew W. Mellon Foundation through their Humanities Open Book Program.

Cover image based on “Clock mechanism gears and cogs close up.” Copyright © Andreykuzmin | Dreamstime.com