" . . . a major contribution to our knowledge of the place of the Civil War in the history of warfare. . . . I have long hoped for a sound history of Civil War military staffs . . . I need hope no more; Hagerman has covered this subject also, with the same assured expertness that he gives to tactics and technology. " —Russell F. Weigley " . . . this fine book deserves a place on the shelves of all military historians in this country and abroad. " —American Historical Review " . . . a first rate book . . . impressive . . . an imposing work . . . " —Journal of American History "This book is filled with enlightening information. . . . ought to be a standard for many years to come and should be required reading for any serious Civil War military historian. " —Journal of Southern History