In case you haven't seen these, here are some sources I've used in my research:
"The Fulton County War at Home and On The Field", Illinois Historical Journal 85, No. 1 (Spring 1992): 23-26, William M Anderson ( http://dig.lib.niu.edu/ISHS/ishs-1992spring/ishs-1992spring23.pdf )

"Discouragement, Weariness and War Politics: Desertions From Illinois Regiments During The Civil War" Illinois Historical Journal 82, No. 4, (Winter 1989); 239-262 (http://dig.lib.niu.edu/ISHS/ishs-1989winter/ishs-1989winter239.pdf )

"Report of the Adjutant General of the State of Illinois", rev. by J N Reece, (Springfield, Ill: Phillips Brothers, 1900-1902), 9 Vol.; 103rd Infantry Vol. V, John J Harrison, Nathan L Day, 616; 151st Infantry Vol VI, Thomas Bell, 515.( https://archive.org/details/reportofadjutantv5illi; https://archive.org/details/reportofadjutantv6illi )

"Reminiscences Of The Civil War From Diaries Of Members Of The 103rd Illinois Volunteer Infantry 1904" Compiled from the following committee: H. H. Orendorff, G. M. Armstrong, Newton Ellis, M. V. D. Voorhees, S. R. Quigley, C. F. Matteson, A. J. Stutes; J. F. Leaming & Co. Chicago; pp 8,9 reference to weapons and bounty payment. (https://archive.org/stream/reminiscencesofc00illi#page/8/mode/2up )

I'm still searching for more sources.