@article{Hacker2017, author = {Hacker, J.D. and Roberts, E.}, title= {The impact of kin availability, parental religiosity, and nativity on fertility differentials in the late 19th-century United States}, year = {2017}, doi = {10.4054/DemRes.2017.37.34}, volume = {37}, number = {34}, pages = {1049‒1080}, }