TY  - BOOK
ED  - United States
TI  - General population characteristics: Puerto Rico = Características generales de la población
T2  - Census of population. Characteristics of the population
PY  - 1950///-
CY  - Washington
PB  - U. S. Govt. Print. Off.
KW  - Puerto Rico
KW  - Population
KW  - Statistics
KW  - Local
ER  -