00277nam a2200097Ia 4500008004100000082001500041100002100056245004500077260004500122300001200167190709s9999    xx            000 0 und d  a371(1) T61  aThomas, R Murray 0aWays of teaching : in elementary schools  aNew YorkbLongmans, Green and Compc1961  axiv,558