@article{Vinovskis1976,
author = {Vinovskis, M.A.},
title= {Socioeconomic determinants of interstate fertility differentials in the United States in 1850 and 1860},
year = {1976},
doi = {10.2307/202662},
journal = {Journal of Interdisciplinary History },
volume = {6},
number = {3},
pages = {375--396},
}