Translation : H.H.Sultan Hashim of Brunei to H.H. Sir Alexander Swettenham,K.C.M.G.,H.M's High Commissioner for Borneo  [microform article]. 

 - Great Britain :  Public Record Office,  1971 
<br/><br/> PTSL : Unit Multimedia  19th Safar,1318 : 19th June,1900  page 77