Goodspeed, D.J. Ludendorff : genius of World War I / by D.J. Goodspeed. - Boston : Houghton, Mifflin and Company, 1966. - xii, 335 pages : illustrations, maps, portraits ; 22 cm. Includes index Subjects--Personal Names: Ludendorff, Erich 1865-1937 Subjects--Geographic Terms: Germany--Politics & government--1918-1923.