21. IOR/L/PS/6/435 Reference (shelfmark): IOR/L/PS/6/435 Title: Political Letters Sent to India, Vol 21 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1856 Extent: 1 volume
22. IOR/L/PS/6/436 Reference (shelfmark): IOR/L/PS/6/436 Title: Political Letters Sent to India, Vol 22 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1857 Extent: 1 volume
23. IOR/L/PS/6/437 Reference (shelfmark): IOR/L/PS/6/437 Title: Political Letters Sent to India, Vol 23 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1858 Extent: 1 volume