TY  - BOOK
ED  - United States
TI  - Características sociales y económicas generales: Puerto Rico
T2  - Census of population
PY  - 1960///-
CY  - Washington
PB  - U.S. Govt. Print. Off.
KW  - Puerto Rico
KW  - Population
KW  - Statistics
KW  - Local
ER  -