John Colling ; with a foreword by Harrison E. Salisbury. Henryk Minc ; with a foreword by Marvin marcus. Ida Pruitt ; with a foreword by John K. Fairbank. H. Spencer ; with a foreword by Averill A. Liebow. Edward Sagarin ; with a foreword by Marvin E. Wolfgang. J. S. Rogers ; with a foreword by T. H. Laby.