000			00674nam a2200193Ia 4500
999			_c62940 _d62940
005			20200113104739.0
008			190917s1972||||xx |||||||||||||| ||und||
020			_a0300014783
040			_cJNU
082			_a304.6320973 _bEc
100			_aForster, Colin.
245		0	_aEconomic opportunity and white American fertility ratios 1800-1860 / _cby Colin Forster and G.S.L. Tucker ; with the assistance of Helen Bridge.
260			_aNew Haven : _bYale University Press, _c1972.
300			_aix, 121 p. :
650			_aFertility, Human _zUnited States.
651			_aUnited States _xPopulation.
651			_aUnited States _xEconomic conditions _yTo 1865.
942			_cBK _2ddc