TY  - BOOK
ED  - United States
TI  - Detailed characteristics: Puerto Rico
T2  - [Census of population]
PY  - 1950///-
CY  - Washington
PB  - U.S. Govt. Print. Off.
KW  - Puerto Rico
KW  - Population
KW  - Statistics
KW  - Local
N1  - English and Spanish
ER  -