Information Session: Philadelphia, PA Posted on 23 February, 2012 by ehlsguest Loading Map.... Walnut Street West Library201 South 40th Street - PhiladelphiaDetails 39.9540798 -75.2025716 Date/Time: Thursday, February 23, 2012 2:30 pm - 4:30 pm Location: Walnut Street West Library 201 South 40th Street Philadelphia, PA 19104