Alverson, Hoyt, 1942-, Mind in the heart of darkness : value and self-identity among the Tswana of southern Africa / Hoyt Alverson. - New Haven [Connecticut] : Yale University Press, (c)1978. - xiii, 299 pages, 6. leaves of plates : illustrations ; 22 cm. LCCN: 78004909 //r85 Subjects--Topical Terms: Tswana (African people)Self-perception.Acculturation. LC Class. No.: DT797 / .M563 1978 DT797