00534nam a2200193Ia 450000100060000000300050000600500170001100800410002801000150006905000210008408200140010510000350011924500360015426000470019030000240023750000110026150400300027265100380030267016BIBL20160527192710.0710622c19711940nyua     bs   00100 eng    a 78139945 0 aHB3505b.W5 1971  a312/.097310aWillcox, Walter Francis2Local10aStudies in American demography.0 aNew YorkbRussell & Russellc[1971, c1940]  axxx, 556 p.billus.  a920617  aBibliography: p. 541-547. 0aUnited StatesxPopulation.2Local