Agreement generally made by the Government of Brunei and the British North Borneo Company - PANGERAN ANAK MAHOMED YASIN ;PANERAN ANAK MAHOMED.PANGERAN ANAK JELUDIN ;W.C.COWIE,MANAGING DIRECTOR ; WITNES : BUYONG BIN MUKA (Great Britain : Public Record Office, 1971)
PTSL : Koleksi Media
10th Zulkaidah,1315 (2nd April 1898)
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