← Search Journal of Political Economy Vol. 41 No. 5 1933 Population Doctrines in the United States Joseph J. Spengler DOI10.1086/254528 Volume41 Issue5 Pages639-672 Languageen Sources semanticscholar openalex crossref Cite APA 7 MLA 9 Chicago (author–date) Harvard Elsevier Harvard (JFE, JBF…) The Accounting Review Academy of Management American Marketing Association INFORMS (Management Science) Copy citation Copied ✓