edited by Krishnarao Appasani ; with a foreword by George M. Church. edited by Fritz Machlup and Una Mansfield ; with a foreword by George A. Miller. edited by Carl Pochedly ; with a foreword by Alvin M. Mauer. edited by R. G. Cochrane ; with a foreword by Sir George McRobert. edited by Leon Schiff ; with a foreword by Cecil J. Watson. edited by Niels H. Lauersen ; with a foreword by Frederick P. Zuspan. edited by Sam Kacew and Mark J. Reasor ; with a foreword by Gabriel L. Plaa. edited by E. Mendoza ; with a foreword by William Cooper. edited by Jane Meyerding with a foreword by Barbara Smith. edited by Andrei K. Yudin ; [with a foreword by John F. Hartwig]