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

The investment of Fort Donelson and the works occupied by the Confederate forces was complete by the afternoon of the 12th of February, and on the 13th an unsuccessful assault was made on Bushrod Johnson's left wing. It was met gallantly and repulsed by the Tenth Tennessee, Lieut.-Col. R. W. MacGavock; the Fifty-third Tennessee, Lieut.-Col. Thomas F. Winston; the Forty-eighth Tennessee, Col. W. M. Voorhees; the Forty-second Tennessee, Col. W. A. Quarles, and Maney's battery. General Johnson and Colonel Heiman both commended in high terms the conduct of the men who met this attack. After a second and third assault, the enemy retired, leaving his dead and wounded on the field. He had met three bloody repulses. The principal sufferer on the part of Heiman's brigade was Maney's battery; it was fought without protection and with skill and courage, but his loss, chiefly from sharpshooters, was such that he was afterward unable to man two of his four guns. Colonel Brown, commanding brigade, reports that pending this engagement of two hours duration, ‘the enemy planted one section of a battery (of field guns) almost in front of Captain Graves, commanding a Kentucky battery, and opened an enfilading fire upon the left of my line, and at the same time a cross-fire upon Colonel Heiman. Captain Graves, handling his favorite rifle piece with the same fearless courage that characterized his conduct during the entire week, in less than ten minutes knocked one of the enemy's guns from its carriage, and almost at the same moment the gallant Porter (commanding battery) disabled and silenced the other, while the supporting infantry retreated precipitately before the storm of grape and canister poured into their ranks from both batteries.’ Two hours before this assault on Heiman's brigade, General Buckner reports, ‘the enemy made a vigorous attack on Hanson's position (the Second Kentucky, ’