The Birth-Rate in Massachusetts, 1850-90
The Birth—Rate in Massachusetts, 1850–90 Get access F. S. Crum F. S. Crum Search for other works by this author on: Oxford Academic Google Scholar The Quarterly Journal of Economics, Volume 11, Issue 3, April 1897, Pages 248–265, https://doi.org/10.2307/1882990 Published: 01 April 1897