TY  - JOUR
A1  - Schapiro, M.O.
T1  - Land availability and fertility in the United States, 1760-1870
Y1  - 1982
DO  - 10.1017/S0022050700027960
JF  - The Journal of Economic History
VL  - 42
IS  - 3
SP  - 577
EP  - -600

ER  -