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Lua i Stíl Chicago (17ú heag.)South African Archaeological Society. Rock-paintings in Africa. Claremont, Cape Town: South African Archaeological Society, 1960.
Lua MLA (9ú heag.)South African Archaeological Society. Rock-paintings in Africa. South African Archaeological Society, 1960.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.