Lewis, Oscar , 1914-1970
Pedro Martinez : a mexican peasant and his family
/ Oscar Lewis ; ill. Alberto Beltran
- London : Secker & Warburg , c1964.
- 507 p. : il.
Poverty---Case studies---Mexico (State)
Family---Case studies---Mexico (State)
Mexico (State)---Social conditions---Case studies
LAS 309.172 LEW