Keywords: 1616 Walnut.JPG 83004247 en 1616 Walnut Street Building in Philadelphia On NRHP since October 17 1983 1616 Walnut Street in Rittenhouse Square East neighborhood of Center City Own Smallbones 2010-02-22 39 56 59 N 75 10 6 5 W 1616 Walnut Street Building Walnut Street Philadelphia |