1. IOR/F/4/713/19466 Reference (shelfmark): IOR/F/4/713/19466 Title: Scope & Content: Papers regarding the survey of Armagon shoal and harbour - unsuccessful attempts to discover the location of the 'Bale of Cotton' Rock, etc. Collection Area: India Office Records and Private Papers Languages: English Date Range: Jan 1822-Mar 1823 Extent: 1 file
2. IOR/F/4/713/19470 Reference (shelfmark): IOR/F/4/713/19470 Title: Scope & Content: Colonel Colin Mackenzie's collection of books and manuscripts relating to the East Indies is forwarded to London. Collection Area: India Office Records and Private Papers Languages: English Date Range: Sep 1821-Apr 1822 Extent: 1 file
3. IOR/F/4/713/19479 Reference (shelfmark): IOR/F/4/713/19479 Title: Scope & Content: Proceedings regarding the construction of lighthouses on Maipara island and Sagar island, Vol 1. Collection Area: India Office Records and Private Papers Languages: English Date Range: Dec 1819-Mar 1823 Extent: 1 file
4. IOR/F/4/713/19480 Reference (shelfmark): IOR/F/4/713/19480 Title: Scope & Content: Proceedings regarding the construction of lighthouses on Maipara island and Sagar island, Vol 2, (includes a small sketch map of part of the Hooghly, p 57) Collection Area: India Office Records and Private Papers Languages: English Date Range: May 1821-Aug 1822 Extent: 1 file