000 00473nam a2200169 a 4500
003 AR-LpUBP
005 20240702183807.0
007 ta
008 090323s1926 xxu g 000 0 eng d
040 _aAR-LpUBP
_bspa
_cAR-LpUBP
100 1 _aMathew, C O.
_942841
245 1 0 _aThe grade placement of curriculum materials in the social studies
260 _aNew York :
_bColumbia University,
_c1926.
300 _aVI, 153 p. ;
_c21 cm.
942 _cBK
999 _c452749
_d452749
988 _c76
_dMaría Victoria Somoza
_a76
_bMaría Victoria Somoza