1. IOR/L/PS/9/72/74 Reference (shelfmark): IOR/L/PS/9/72/74 Title: Enclosure 6 to letter No.12 of 1829 Scope & Content: Copy of a letter from Lord Heytesbury, British Ambassador at St Petersburg, to Colonel John Macdonald Collection Area: India Office Records and Private Papers Languages: English Date Range: 16 Apr 1829 Extent: 1 folio