School Directors of School District No. 82 v. Wolever , 26 Ill. 2d 264 ( 1962 )
Oakdale Community Consolidated School District No. 1 v. County Board of School , 12 Ill. 2d 190 ( 1957 )
Peterson v. Board of Trustees of the Firemen's Pension Fund , 54 Ill. 2d 260 ( 1973 )