@article{Saperstein2013,
author = {Saperstein, A. and Gullickson, A.},
title= {A ‘Mulatto escape hatch’ in the United States? Examining evidence of racial and social mobility during the Jim Crow era},
year = {2013},
doi = {10.1007/s13524-013-0210-8},
volume = {50},
pages = {1921--1942},
}