The Royal Archives preserve historical documents, official records, historical press material and documentary evidence relating to the Sultanate.
Sulu Documents
Historical correspondence, maps, coronation material and official records from the Sultanate archives.
Historical Documents
Selected official and legal-historical records, including Philippine and international source documents.
1957 Claim Proclamation
1962 Cession of North Borneo
1962 Acceptance of North Borneo
1974 Memorandum Order No. 427
1997 Republic Act No. 8371
