1. ‘Vol 239 Miscellaneous general and secret correspondence’ Contributor: Sultan of Muscat and Oman, Āl Bū Sa'īd Dynasty (correspondent) Date: 1857/1860 Language: EnglishHindiMalayalam Extent: 1 volume (13 items, 36 folios)
2. Vol 66: Letters Inward Contributor: Elphinstone Institution (correspondent) Date: 1829/1830 Language: EnglishArabicHindi Geographic region: CalicutMuscatTellicherry Extent: 1 volume (40 folios)
3. Memorandum no.368 from the Chief Secretary [to Government], to the Resident at Bushire Date: 1858/1858 Language: EnglishMalayalamHindi Extent: 14 folios
