Alverson, Hoyt, 1942-. Mind in the heart of darkness : value and self-identity among the Tswana of southern Africa / Hoyt Alverson. - New Haven [Conn.] : Yale University Press, 1978. - xiii, 299 p., [6] leaves of plates : ill ; 22 cm. Includes index. Bibliography: p. 281-284. ISBN: 0300022441 : $15.00 LCCN: 78004909 Subjects--Topical Terms: Tswana (African people).Self-perception.Acculturation. Subjects--Geographic Terms: South Africa--Economic conditions.Botswana--Economic conditions. LC Class. No.: DT797 / .A44 Dewey Class. No.: 301.24/1/0968