1. IOR/L/PS/6/604-609 Reference (shelfmark): IOR/L/PS/6/604-609 Title: Political Letters Sent to Madras Scope & Content: Board of Control's copies of political letters from the EIC Court of Directors in London to the Madras Government. Vol 1 has an index. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1803-1858 Extent: 6 volumes
2. IOR/L/PS/6/604 Reference (shelfmark): IOR/L/PS/6/604 Title: Political Letters Sent to Madras, Vol 1 Collection Area: India Office Records and Private Papers Languages: English Date Range: 23 Nov 1803-29 Sep 1809 Extent: 1 volume
3. IOR/L/PS/6/605 Reference (shelfmark): IOR/L/PS/6/605 Title: Political Letters Sent to Madras, Vol 2 Collection Area: India Office Records and Private Papers Languages: English Date Range: 12 Oct 1809-22 Dec 1819 Extent: 1 volume
4. IOR/L/PS/6/606 Reference (shelfmark): IOR/L/PS/6/606 Title: Political Letters Sent to Madras, Vol 3 Collection Area: India Office Records and Private Papers Languages: English Date Range: 15 Nov 1820-30 Aug 1837 Extent: 1 volume
5. IOR/L/PS/6/607 Reference (shelfmark): IOR/L/PS/6/607 Title: Political Letters Sent to Madras, Vol 4 Collection Area: India Office Records and Private Papers Languages: English Date Range: 27 Sep 1837-4 Oct 1848 Extent: 1 volume
6. IOR/L/PS/6/608 Reference (shelfmark): IOR/L/PS/6/608 Title: Political Letters Sent to Madras, Vol 5 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1849-1856 Extent: 1 volume
7. IOR/L/PS/6/609 Reference (shelfmark): IOR/L/PS/6/609 Title: Political Letters Sent to Madras, Vol 6 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1857-1858 Extent: 1 volume