1998
Vasco da Gama: the diary of his travels through African waters, 1497-1499, Somerset West, Stephan Phillips.
1994
"António da Silva Rego" in Stvdia, n.º 53, Lisboa, pp. 53-58.
1988
The Dias voyage 1487-1488: toponymy and padrões, Lisboa, IICT
Dias and his successors, [edição de Eric Axelson], Cape Town, Saayman & Weber.
1985
"Recent identifications of portuguese wrecks on the south african coast, especially of the São Gonçalo (1630), and the Sacramento and Atalaia (1647)" in Actas do II Seminário Internacional de História Indo-Portuguesa, Lisboa, Inst. Investigação Científica Tropical. Centro de Estudos de História e Cartografia Antiga, pp. 43-61.
1973
Congo to cape: early portuguese explorers, London, Faber and Faber.
Portuguese in South-East Africa, 1488-1600, Johannesburg, C. Struik.
1970
"Le Cap: étape sur la route de l'Orient" in Revue française. nº 232, Paris, pp. 17-20.
1967
Portugal and the scramble for Africa, 1875-1891, Johannesburg, Witwatersrand University Press.
1961
Portuguese settlement in the interior of South-East Africa in the seventeenth century, Lisboa, Sep. Actas Congresso Internacional História dos Descobrimentos, nº 5.
1960
Portuguese in South-East Africa, 1600-1700, Johannesburg , Witwatersrand University Press.
1954
South African explorers, London, Oxford University Press.
1940
South-East Africa, 1488-1530, London/New York, Toronto, Longmans/ Green and Co.
1939
"Finding of a Bartolomeu Dias" South African Geographical Journal, pp. 28-38.
1938
Discovery of the farthest pillar erected by Bartolomeu Dias, Sep. South African Journal of Science, nº 35.
[195-]
Portuguese pioneers in Southern Africa, Johannesburg, South African Broadcasting Corporation.