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Kuczynski, R. R. The fecundity of the native and foreign born population in Massachusetts.
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Wells, F. Divorces in Massachusetts, 1863-1882.
Crum, F. S. The birth-rate in Massachusetts, 1850-1890.
Crum, F. S. The marriage rate in Massachusetts.
Uhlenberg, P. R. A study of cohort life cycles: cohorts of native born Massachusetts women, 1830-1920.
