1. Medical and nutritional studies of !Kung bushmen in north-west Botswana: a preliminary report;Truswell;S. Afr. Med. J.,1968
2. Serumlipids in bushmen;Truswell;Lancet,1968
3. Nutritional status of adult bushmen in the Northern Kalahari, Botswana;Truswell;S. Afr. Med. J.,1969
4. The harmless people;Thomas,1959
5. The subsistence ecology of !Kung bushmen;Lee,1965