Bryce,

I read those articles many years ago and even had copies at one time, but they are long gone now. However, you may be able to procure a copy of Geise's doctoral dissertation via interlibrary loan. The pertinent information is as follows:

William Royston Geise
 Dissertation: "The Confederate Military Forces in the Trans-Mississippi West, 1861-1865: A Study in Command"
 Supervised by: Barnes F. Lathrop. 1974. University of Texas at Austin.

You may also be able to purchase a copy of the dissertation from one of the dissertation publishing outfits like UMI/ProQuest.

Bill