Lewis, Oscar, 1914-1970. Five families; Mexican case studies in the culture of poverty. / With a foreword by Oliver La Farge. - New York : Basic Books, [1959] - 351 p. : illus. ; 25 cm. Includes bibliography. Subjects--Topical Terms: Families--Mexico--Case studies. Subjects--Geographic Terms: Mexico--Social conditions. Dewey Class. No.: 309.172