Thomas, R. Murray 1921- Judging student progress / R. Murray Thomas. - 2d. ed. - New York : Longmans, Green and Co., c1960. - 518 p. : ill. ; 22 cm. Subjects--Topical Terms: Educational tests and measurements. LC Class. No.: LB3051 / .T47 1960 Dewey Class. No.: / THO 1960