000 00423nam a2200157 4500
001 13105/79
005 20130515014719.0
008 111112s9999 xx 000 0 und d
100 1 _a"perry, leslie r. "
245 1 0 _aFour progressive educators:
_b/
_c Leslie.R. Perry
250 _a2 ed.
260 _auk :
_bmacmillan press
_c1971.
300 _a", 172p.;
_c21 cm."
504 _aincludes bibliography
942 _2lcc
_cBK
999 _c25800
_d25800