
The SciencesJanuary 1, 1970
The People of York: 1538-1812
The parish registers of three centuries in this English city record changes in such averaged features of human populations as age at death, age at marriage and the season of conception

The People of York: 1538-1812
The parish registers of three centuries in this English city record changes in such averaged features of human populations as age at death, age at marriage and the season of conception