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The limitation of family size in Denmark (v.1)
Matthiessen, Poul Christian; Princeton Fertility Project
1985
"Princeton European Fertility Project." Bibliography: p. 111-114.
The limitation of family size in Denmark (v.2)
Matthiessen, Poul Christian; Princeton Fertility Project
1985
"Princeton European Fertility Project." Bibliography: p. 111-114.
The decline in the birth-rate
Webb, Sidney (1859-1947); Fabian Society (Great Britain)
1907
March 1907.