TY  - BOOK
AU  - Willcox,Walter Francis
TI  - Studies in American demography
AV  - HB3505 .W5 1971
U1  - 312/.0973 
PY  - 1971///, c1940]
CY  - New York
PB  - Russell & Russell
KW  - United States
KW  - Population
KW  - Local
N1  - 920617; Bibliography: p. 541-547
ER  -