00928cam a22003011 4500 6437699 BD-DhUL 20140813121315.0 760305r1939uuuuenk 000 0 eng 39005605 (OCoLC)2031891 DLC ABAU ABAU ViRCU DLC BD-DhUL premarc HB871 .P37 1939 312 PEN Pearl, Raymond, 1879-1940. The natural history of population, by Raymond Pearl. London : Oxford University press,. H. Milford, 1939. xii, 416 p. : ill. ; 23 cm. University of London. Heath Clark lectures, l937 Bibliography: p.[356]-398. Population. Fertility. Birth control. Heath Clark lectures ; l937. 7 cbc oclcrpl u ncip 19 y-gencatlg ddc BK 2460 2460 0 0 ddc 0 312_000000000000000_PEN 0 NFIC 4647 DUSL DUSL GEN 1957-04-10 Purchased 312 PEN 68465 2014-08-13 2014-08-13 BK