Armistead's Regiment, The 16th Confederate Cavalry aka The 12th Mississippi Cavalry book contains a brief sketch of the regiment and the company rosters. It can be ordered here: http://www.amazon.com/Armisteads-Regiment-Confederate-Cavalry-Mississippi/dp/153287653X/ref=sr_1_1?ie=UTF8&qid=1461980838&sr=8-1&keywords=armistead%27s+regiment