Ethnology : in two parts; 1. Fundamental ethnical problems; 2. The primary ethnical groups

von Keane, Augustus H.
Cambridge geographical series
Cambridge : University Press, 1909.
Umfang/Format: XXX, 442 S.: zahlr. Ill.

Travels in Africa : during the years 1875 - 1878.

von Junker, Wilhelm
London : Chapman, 1890.
Umfang/Format: VIII, 582 S., Ill. ; 23 cm.

Travels in Africa : during the years 1879 - 1883.

von Junker, Wilhelm
London : Chapman, 1891.
Umfang/Format: VIII, 477 S., Ill. ; 23 cm.

Travels in Africa : during the years 1882 - 1886.

von Junker, Wilhelm
London : Chapman, 1890.
Umfang/Format: VIII, 586 S., Ill., Kt. ; 23 cm.