... The Knoxville campaign, under Lieut.-Gen. James Longstreet, was participated in by Bushrod Johnson's brigade; the Fourth, Eighth, Ninth and Tenth Tennessee cavalry under Brig.--Gen. W. Y. C. Humes; Dibrell 's cavalry brigade; Freeman's, White's, Rhett's and McClung's batteries, and the First Tennessee cavalry, Col. Onslow Bean. General Johnson, with his own and Gracie's brigade, reached the front of Kno...