TY - JOUR A1 - Condran, G. A1 - Crimmins, E. T1 - Mortality differentials between rural and urban areas of states in the northeastern United States 1890‒1900 Y1 - 1980 DO - 10.1016/0305-7488(80)90111-5 JF - Journal of Historical Geography VL - 6 IS - 2 ER -