Mortality differentials between rural and urban areas of states in the Northeastern United States 1890-1900.

@article{Condran1980MortalityDB,
  title={Mortality differentials between rural and urban areas of states in the Northeastern United States 1890-1900.},
  author={Gretchen A. Condran and Eileen Crimmins},
  journal={Journal of historical geography},
  year={1980},
  volume={6 2},
  pages={179-202}
}