Natural history of population /
Pearl, Raymond
Natural history of population / by Raymond Pearl - London : Oxford University press, 1939. - xii, 416p. : incl. tables, diagrs., forms. - University of London. Heath Clark lectures, .
Bibliography: p.[356]-398.
Population.
Fertility.
Birth control.
304.6 / PEA/N
Natural history of population / by Raymond Pearl - London : Oxford University press, 1939. - xii, 416p. : incl. tables, diagrs., forms. - University of London. Heath Clark lectures, .
Bibliography: p.[356]-398.
Population.
Fertility.
Birth control.
304.6 / PEA/N