00610nam a2200205Ia 450000100060000000300050000600500170001100800410002801000150006903500200008404000190010405000170012310000410014024500820018126000290026330000160029250000220030850400400033065000340037085110BIBL20160527203712.0720307s1961 nyu b 001 0 eng u a 61014840  a(OCoLC)00256340 cCWRdm.c.dOCL aLB1555b.S8710aStoddard, George Dinsmorewdn2Local14aThe dual progress planba new philosophy and program in elementary education.0 aNew YorkbHarperc[1961] avii, 225 p. aIncludes indexes. aIncludes bibliographical footnotes. 0aEducation , Elementary2Local