1. IOR/E/1/50 ff. 313-314v Reference (shelfmark): IOR/E/1/50 ff. 313-314v Title: Letter 166 William Thomson in Grosvenor Square to the Court requesting permission to return to Bengal on board the Asia. Collection Area: India Office Records and Private Papers Languages: English Date Range: 18 Mar 1768 Extent: 1 letter