The Vascular Flora of Northampton County Pennsylvania By Schaeffer, Robert L. Books / Hardcover Nature › Plants Publisher: University of Pennsylvania, January 1949 Price $58.61 Free Shipping Send to a friend Used - Good Philadelphia: University of Pennsylvania, 1949. 8vo. 702pp. Maps. Good book. Spine ends worn. Boards rubbed. (botany, dissertations) Inquire if you need further information. $58.61 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store.