prepared by T. Walter Wallbank, Lawrence E. Nelson, Mary Herrick Porter ; maps by R. M. Chapin, Jr. and A. J. Gordon ; sketches by Seymour FleishmanScott, Foresmanc1956
prepared by T. Walter Wallbank, Lawrence E. Nelson, Mary Herrick Porter ; maps by R.M. Chapin, Jr. ; sketches by Seymour FleishmanScott, Foresmanc1949-