著者名
by Heinrich August Wilhelm Meyer translated from the fifth edition of the German by G.H. Venables with a preface translation of references and supplementary notes to the American edition by Henry E. Jacobs by Heinrich August Wilhelm Meyer translated from the fourth edition of the German by Maurice J. Evans the translation revised and edited by William P. Dickson with a preface translation of references and supplementary notes to the American edition by Henry E. Jacobs