共 12 条
[1]
Denison E. F., 1962, SOURCES EC GROWTH US
[2]
Kitagawa E. M., 1973, DIFFERENTIAL MORTALI
[3]
MARGO RA, 1986, AM ECON REV, V76, P794
[5]
Margo Robert A., 1985, DISFRANCHISEMENT SCH
[6]
ROSEN S, 1979, STATISTICAL USES ADM
[7]
SMITH JP, 1984, AM ECON REV, V74, P685
[8]
*TX SUP PUBL INSTR, 1900, REP
[9]
U. S. Bureau of the Census, 1968, NEGR POP US 1790 191
[10]
*US BUR CENS, 1943, 16TH CENS POP 1, V4