00273nam a2200097Ia 4500008004100000082001500041100002200056245004100078260004500119300001100164190709s9999    xx            000 0 und d  a370.12 B83  aBrubacher, John S 0aHistory of the problems of education  aNew YorkbMcGraw - Hill Book Compac1947  axv,688