I was preparing something similar for Elizabeth, but it was getting to be too much for a reasonable length post.

In addition to "Serving with Honor, The Diary of Captain Ethan Allen Pinnell of the Eight Missouri Infantry (Confederate)" and “Men of the Tenth” here are some additional sources that will help track the locations and activities of Coleman’s unit, the 10th Missouri infantry, and Mitchell’s 8th Missouri Infantry:

Anne J. Bailey, ed. In the Saddle with the Texans: Day-by-Day with Parsons's Cavalry Brigade, 1862-1865. Abilene: McWhiney Foundation Press, 2004.
[This the source for my earlier post on Silas]

Wiley C. Jones biographical sketch in the Goodspeed's"Biographical and Historical Memoir's of Northeast Arkansas

Col. Peter Wellington Alexander, C.S.A., collection 1862-1864. University of Arkansas - Fayetteville
David W. Mullins Library; University of Arkansas Libraries

Outpost: The 1862 Summer of Lieutenant Colonel Joseph Weydemeyer- http://thelibrary.org/lochist/periodicals/ozarkswatch/ow404n.htm

History of the 27th Arkansas Infantry by Silas C Turnbo

“Shades of Gray -Confederate soldiers of Randolph County, Mo”

Guide to Missouri Confederate units, 1861-1865 by James E McGhee

The National Archives --NARA M322
Compiled service records of Confederate soldiers from Missouri units, labeled with each soldier's name, rank, and unit, with links to revealing documents about each soldier.