000 002880000a22001330004500
245 _aSchools
100 _aPerkins, L.B.
100 _aCocking, W.D.
_919735
260 _aNew York
_bReinhold
_c1949
300 _a264p., ill.
080 _a727.1
_bP4
041 _aEN
942 _cBK
_01
999 _c97403
_d97403