The Rock-Engravings of Griqualand West & Bechuanaland South Africa.
Wilman, M.
The Rock-Engravings of Griqualand West & Bechuanaland South Africa. - 77 p. 16 fig., 70 pl. , map
The Rock-Engravings of Griqualand West & Bechuanaland South Africa. - 77 p. 16 fig., 70 pl. , map