TY  - BOOK
AU  - Gulick,Luther Halsey
TI  - Rural occupance in Utuado and Jayuya municipios, Puerto Rico / 
U1  - 91 CHI 
PY  - 1952///
CY  - Chicago : 
PB  - University of Chicago, 
KW  -  Utuado, Puerto Rico
KW  -  Jayuya, Puerto Rico
N1  -  Thesis - University of Chicago
ER  -