ISBN 1512805106 books & textbook
Philadelphia Workers in a Changing Economy (Anniversary Collection)
University of Pennsylvania Press Anniversary Collection /1956-01-29 Hardcover / 192 Pages
isbn-10: 1512805106 / isbn-13: 9781512805109
University of Pennsylvania Press Anniversary Collection /1956-01-29 Hardcover / 192 Pages
isbn-10: 1512805106 / isbn-13: 9781512805109