BRUECKNER, LEO J. Meaning and practice in arithmetic. Grade 6-8. By Leo J. Brueckner, Foster E. Grossnickle & Elda L. Merton. © grade 6-7, 7Jul43, AA431882-431883; grade 8, 11Aug43, AA434260. Holt, Rinehart & Winston, Inc. (PWH); 19Nov70; R495180-495182.