Col. John C. Moore, Confederate Military History, a library of Confederate States Military History: Volume 9.2, Missouri
Clement Anselm Evans, Ed.

[82] attack on him from the south had failed, he massed his whole force to crush Price. The attack was furious, but the artillery and the two supporting brigades held their own with unflinching resolution. The engagement lasted two hours. The artillery was gradually withdrawn, and in firing his last shot young Churchill Clark was killed. The .enemy did not attempt to make pursuit. Indeed, the Confederates and the Missouri State troops did not know they were retreating. They thought they were making a movement to help McCulloch's wing, and fully expected to be engaged again in a few hours. When they found the battle was ended and lost, they were in the savagest of moods and almost mutinous in their criticisms of their commanders. The Confederate loss was about 200 killed and 500 wounded and missing. Among the killed were General McCulloch and General McIntosh, both of whom were gallant soldiers, and their death sincerely mourned by the soldiers of both corps, and young Capt. Churchill Clark, hardly more than a boy in years, but who had fought in a dozen battles and always with great dash and courage. Among the mortally wounded were Gen. William Y. Slack, commander of the Second Missouri Confederate brigade, and Col. B. A. Rives, commander of the Third Missouri Confederate infantry. General Slack was desperately wounded at Wilson's Creek, and was just recovered from the wound when he was struck by a ball in almost exactly the same place, and died a few days afterward. He was of a singularly pure and ardent nature. He left and sacrificed a competence and a fine professional practice in his devotion to the cause of Southern rights. He served in the Mexican war under General Price, and when Missouri called for soldiers he left his home and family and all he had, without a day's delay, in response to the call. Simple and unostentatious in his life and manners, he was the soldier's friend, and the soldiers to a man were his friends. Colonel Rives was an accomplished gentleman