000 00481nam a2200205Ia 4500
008 230524s9999 xx 000 0 und d
040 _cUDSM
050 _aLB1570.G9
100 _aGwynn, John Minor
245 0 _aCurriculum principles and social trends
260 _aNew York
260 _bMcmillan
260 _c1969
300 _ax,661p.
300 _c24cm.
650 _aEducation
700 _aill.
942 _2Library of Congress Classification
942 _cBook
999 _c99624
_d99624