1. IOR/G/35 Reference (shelfmark): IOR/G/35 Title: Factory Records: Sumatra Scope & Content: Early papers, 1615-1616. Copies of letters sent from Fort York, 1685-1686. Fort Marlborough Public Consultations, 1705-1818. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1705-1818 Extent: 164 volumes
2. IOR/G/35/28 Reference (shelfmark): IOR/G/35/28 Title: Factory Records: Sumatra Scope & Content: Sumatra: Fort Marlborough Letters and Consultations, 30 April 1809 to 1 Sept 1819. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1809-1819 Extent: 1 volume
3. IOR/G/35/61 Reference (shelfmark): IOR/G/35/61 Title: Factory Records: Sumatra Scope & Content: Sumatra: Fort Marlborough Public Consultations, 13 Jan 1731 to 20 Dec 1735. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1731-1735 Extent: 1 volume
4. IOR/G/35/49 Reference (shelfmark): IOR/G/35/49 Title: Factory Records: Sumatra Scope & Content: Sumatra: Original Letters from Fort Marlborough to the Court, 1 Jan 1822 to 4 July 1825. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1822-1825 Extent: 1 volume
5. IOR/G/35/55 Reference (shelfmark): IOR/G/35/55 Title: Factory Records: Sumatra Scope & Content: Sumatra: Letters to Fort Marlborough from various places, Feb 1818 to Jan 1821. Transferred- see IOR/G/9/15. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1818-1821 Extent: 1 volume