TY  - BOOK
AU  - Lawless, Robert.
TI  - Societal ecology in northern Luzon : : Kalinga agriculture, organization, population and change / 
PY  - 1975///?]
KW  - Kalinga (Philippine people)
KW  - Agriculture
N1  - Typescript. Photocopy. Makati : Ayala Museum Library, [1975?]
ER  -