TY  - BOOK
ED  - Northwestern University, Evanston, Ill.
TI  - The rural land classification program of Puerto Rico
T2  - Northwestern University studies in geography
PY  - 1952///
CY  - Evanston, Ill.
KW  - Puerto Rico
KW  - Classification
KW  - Local
N1  - At head of title : The William and Marian Haas Research Fund; Includes bibliographical footnotes
ER  -