01031cam a22002291 4500 e 32000081 DLC 20260227111221.0 821103s1931 ilu s000 0 eng c e 32000081 (OCoLC)8916443 Library, U. S. Office of Education ICarbS DLC premarc LB2842 .I36 1931 Illinois. Board of trustees of teachers' pension and retirement fund. 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. Issued by the Board of trustees of the Illinois state teachers' pension and retirement fund <Printed by authority of the state of Illinois> [Springfield, 1931] 62 p. incl. tables. 23 cm. On cover: Research bulletin Printed by Illinois printing company, Danville. Teachers Salaries, etc. Illinois. 21174 21174