1. Mss Eur E341/1-41 Reference (shelfmark): Mss Eur E341/1-41 Title: Correspondence Collection Area: India Office Records and Private Papers Languages: English Date Range: Unspecified Extent: Unspecified
2. Mss Eur E341/42-48 Reference (shelfmark): Mss Eur E341/42-48 Title: Sir John Tyson, Indian Civil Service, Bengal 1920-47, Private Secretary to Governor of Bengal 1930-35, 1938, 1945-47: miscellaneous papers Collection Area: India Office Records and Private Papers Languages: English Date Range: Unspecified Extent: Unspecified