James D. Porter, Confederate Military History, a library of Confederate States Military History: Volume 7.1, Tennessee
Clement Anselm Evans, Ed.

Strahl's brigade under its accomplished commander could always be trusted to perform the measure of its duty. It was hardly engaged before the horses of all the field officers of the three right regiments were killed, and Maj. C. W. Heiskell, of the Nineteenth, a very gallant officer, was severely wounded. Stanford's battery advanced with this brigade and was actively engaged. The Fourth and Fifth had Lieut. W. H. Neffer killed. Capt. W. W. Lackay, of the Nineteenth, referred to by Colonel Walker as ‘a gallant officer, brave soldier, a generous and courteous gentleman,’ was killed; Captain Frazier and Sergeant Thompson were desperately wounded.

General Bragg issued orders to attack the enemy at day dawn on the 20th, General Polk to assail on the right, and the attack to be taken up in succession rapidly to the left. Orders were sent at 11:30 on the night of the 19th by General Polk to Lieutenant-General Hill and Major-Generals Cheatham and Walker. Hill could not be found, and at daylight orders were sent to Generals Breckinridge and Cleburne of Hill's corps to advance with their divisions at once. The order was received in the presence of General Hill, who, Breckinridge reports, ordered a delay of the movement, and notified General Polk that his troops were getting their rations and could not move for an hour or more. He had also delayed his attack in consequence of a misapprehension on his part as to the relation between his line and that of General Cheatham. The reasons for delay were unsatisfactory to the commanding general, who in time relieved Generals Polk and Hill from their commands.

At 10 a. m. the attack was made by Cleburne and Breckinridge, Cheatham by order of General Bragg being held in reserve. The attack was taken up by Stewart, whose division was on the right of the left wing, and