Trends in birth rates in the United States since 1870.
Series: Johns Hopkins University studies in historical and political science -- ser. 76, no. 1
Publisher: Johns Hopkins Press
Published: 1958
Place of publication: Baltimore
Language: eng
Number of pages: 203
Subjects: United States -- Population
Notes: Bibliographical footnotes.

Bound with Nerlove, Marc.  The dynamics of supply.  Baltimore, 1958.