The Ibans of Sarawak under Brooke rule, 1841-1941 - Pringle, Robert Maxwell, 1936- (Ann Arbor, Mich. : University Microfilms International, 1968)
Thesis (Ph.D.) - Cornell University, 1967
Keywords: Brooke, James, -- Sir, rajah of Sarawak, -- 1803-1868; Iban -- History; Sarawak -- History