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 . - Heath Clark lectures ; l937. .
Bibliography: p.[356]-398.
39005605
Population.
Fertility.
Birth control.
HB871 / .P37 1939
312 / PEN
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 . - Heath Clark lectures ; l937. .
Bibliography: p.[356]-398.
39005605
Population.
Fertility.
Birth control.
HB871 / .P37 1939
312 / PEN