@article{Haines2008,
author = {Haines, M.R. and Guest, A.M.},
title= {Fertility in New York state in the pre-Civil War era},
year = {2008},
doi = {10.1353/dem.0.0009},
journal = {Demography},
volume = {45},
number = {2},
pages = {345--361},
}