1. IOR/E/1/58 ff. 268-273v Reference (shelfmark): IOR/E/1/58 ff. 268-273v Title: Letters 138-139 Petition of John Brown to the Court complaining that Colonel Donald Campbell took a diamond from him. With related papers. Collection Area: India Office Records and Private Papers Languages: English Date Range: 24 May 1774 Extent: 1 letter