"1683Z"^^ . "Rittenhouse Square is one of the five original open-space parks planned by William Penn and his surveyor Thomas Holme during the late 17th century in central Philadelphia. The park is widely considered one of the finest urban public spaces in the United States. The square cuts off 19th Street at Walnut Street and also at a half block above Manning Street. Its boundaries are 18th Street to the East, Walnut St."@en . "1981-09-14Z"^^ . . . . . . "Rittenhouse Square"@en . . "81000557" .