1. IOR/E/1/41 ff. 188-189v Reference (shelfmark): IOR/E/1/41 ff. 188-189v Title: Letter 107 Secretary Thomas Tyrwhitt at the War Office to Robert James concerning two deserters named John Porch and David O'Brien on board the Calcutta. Collection Area: India Office Records and Private Papers Languages: English Date Range: 6 Jan 1759 Extent: 1 Item