[19228] Sugawara, Kazuyoshi (1997) : A name as a mnemonic device: an ethnographic study of personal names among the Central San (|Gui and //Gana)
[19230] Sugawara, Kazuyoshi (2001) : Cognitive space concerning habitual thought and practice toward animals among the Central San (|Gui and //Gana): deictic/indirect cognition and prospective/retrospective intention
[19390] Tanaka, Jiro (1978) : A San vocabulary of the central Kalahari: G//ana and G|wi dialects