TY - BOOK ED - Illinois. TI - The Illinois state teachers' pension and retirement fund: a presentation of facts and scientific study of all matters relating to the solvency of the fund--possible future costs, etc AV - LB2842 .I36 1931 PY - 1931///] CY - [Springfield KW - Teachers KW - Salaries, etc KW - Illinois N1 - On cover: Research bulletin; Printed by Illinois printing company, Danville ER -