Pennsylvania : a guide to the Keystone state / compiled by workers of the Writers' Program of the Work Projects Administration in the state of Pennsylvania ... Co-sponsored by the Pennsylvania Historical Commission and the University of Pennsylvania. Writers' Program of the Work Projects Administration in the Commonwealth of Pennsylvania. F154 .W94 917.48 PEP Map on lining-paper. The plates are in eight groups, each preceded by half-title not included in paging. "First published in December 1940." Includes bibliographical references and index. New York, Oxford University Press, 1940. 1940. 1940 Text xxxii, 660 p. : eng American guide series Pennsylvania Guidebooks.