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

The Federal and Confederate armies confronted each other for twenty-six days near Marietta. On July 4th Cheatham's division was sent to the assistance of Hood's corps, and during that day the division sustained a great loss in the wounding and permanent disability of Brig.-Gen. A. J. Vaughan, who lost a leg from a cannon shot while his brigade was resting in the trenches. General Vaughan was a representative of the best type of the Southern soldier, was present and conspicuous at every battle from Belmont down to this date, and never failed in his duty. His judgment was never at fault, his vigilance and reliability proverbial, his courage superb, and in another age he would have been classed with ‘Hector and all the gallantry of Troy.’

Maj.-Gen. Alexander P. Stewart, of Tennessee, was made lieutenant-general, and on the 7th of July assumed command of Polk's corps, a well-deserved promotion won on the battlefield. General Johnston hesitated in his recommendation of a successor to Lieutenant-General Polk. Major-Generals Loring and French commanded divisions in Polk's corps. Cheatham and Cleburne had just won great distinction at New Hope church and Kenesaw Mountain. Without their knowledge their names were considered by the commanding general, but his conclusion to present the name of Stewart was approved by the army.

On the 8th of July two corps of Sherman's army crossed the Chattahoochee and intrenched, and on the night of the 9th the army of Tennessee crossed the river and went into position two miles from it. On the 17th the entire Federal army crossed the river, and that evening General Johnston received notice from the war office at Richmond that he had been relieved and that Hood,