000 00292nam a22001097a 4500
082 0 _a312.1
100 1 _aLeybourne, Grace G.
245 1 0 _aEducation and the birth-rate
_cGrace G. Leybourne
260 _aLondon :
_bJonathan Cape,
_c1940.
300 _avii, 375p. ;
_c21 cm.
650 4 _aStatistics
999 _c373286
_d373222