%0 Book %I K.F. Lutz %D 1939 %C Philadelphia, PA %G English %T Elfreth's Alley [picture] : between Front and Second street, north of Arch street %7 "No. 140" %X Located in the heart of Philadelphia's Old City neighborhood, Elfreth's Alley is a National Historic Landmark and the nation's oldest residential street. The 18th century homes are still private residences and owners welcome the public annually to visit them to capture their history from colonial times to the present. The Elfreth's Alley Association and residents work with the Philadelphia Historical Commission to preserve the uniqueness of this historically rich neighborhood.