Edited by Robert Hofstadter and Leonard I. Schiff. edited by Robert D. Allen and Thomas E. Wolfe. edited by Robert B. Oxnam and Richard C. Bush. edited by Joshua Jortner and Bernard Pullman. edited by Richard Hofstadter and Michael Wallace. edited by Josef Kittler and Michael J.B. Duff. edited by Robert Bennett and Robert Estall. edited by Robert H. Whitaker and John R. Woodard. edited by Robert Hickling and Mounir M. Kamal. edited by J.A. McAllister and Richard P. Wilson.