Try searching at the URL under "Finding Aid" below or browsing at http://www.trustees.uillinois.edu/trustees/minutes/. 
UICCAT Call Number: LD 2351. 
"Reports" are usually published every two years and contain the minutes of the Board of Trustees meetings, a list of elected Board Members, and an index to the minutes. It has been published under the following titles: "Annual report of the Board of Trustees of the Illinois Industrial University", "Report of the Board of Trustees of the University of Illinois" and "Transactions of the Board of Trustees". 
SEE ALSO: Record Group 001-02 (Agenda Documents); 
"Supplement" (also called the ""Gray Book"" or "Grey Book") began to be published in 1963 and contains the internal operating budget for the University of Illinois system and each of its campuses. This includes summary tables of departmental budgets and a line-item listing of employees by campus and by department therein, with job title, plus a name index. 
Additional financial information can be found in the Budget Summary for Operations (Record Group 001-02-05)."
"Reports" and "Transactions" RJD 3-310 16-03-03 [V2014]; Supplements/"Grey books" (1980 to present) RJD B-490 1-03-04 [V2014](various extra Transactions and Supplements) [V2014]LHS Reading Room (in UICCAT)