Cox, Donald W. 1921- The city as a schoolhouse; : the story of the Parkway Program. [electronic resource] . — Valley Forge [Pa.] : Judson Press, [1972]. — 192 p. : illus. 23 cm. "Parkway Program bibliography": p. 181-183. ISBN: 0817005528 9780817005528 LCCN: 79181559 Subjects--Corporate Names: Parkway Program. Subjects--Topical Terms: Parkway Program.Enseignement secondaire--États-Unis--1965-Enseignement--Innovations--Philadelphie, Pa. LC Class. No.: LD7501.P5 / P34 Dewey Class. No.: 373.2/24/0974811