edited with an introd. by John D. Rosenberg. edited with an introd. by Luis E. Aguilar. edited with an introd. by Stanley R. Ross. edited with an introduction by John R. Commons. edited with an introduction by Joan Schenkar. edited and with an introd. by Harold Wolpe. edited with introd. by Ellis W. Hawley. edited with an introduction by James V. Cornehls. edited and with an introd. by Richmond H. Thomason. edited with an introduction by Carleton B. Joeckel.