The head-hunters of Borneo : a narrative of travel up the Mahakkam and down the Barito also, journeyings in Sumatra - Bock, Carl (Carl Alfred), 1849-1932 (Singapore : Oxford University Press, 1985)
First published: London: Sampson Low, Marston, Searle & Rivington, 1881.
Keywords: Sarawak -- Description and travel; Sarawak -- Social life and customs