Lee's invasion of Pennsylvania, [144]-[146];
Hooker replaced by Meade, [146];
battle of Gettysburg, [147]-[149];
failure of Meade to pursue Lee, [149]-[152];
Bragg's invasion of Kentucky, [154];
battle of Perryville, [154];
Buell replaced by Rosecrans, [155];
battle of Stone's River, [155];