Mortgage by demise by John Bocking to George Boam of Bretton, in Eyam, yeoman, for £400, of all closes etc. in the occupation of Bocking (except Marston Close) with a parcel called Christopher Bocking's Part (42 acres), in the tenure of Christopher Bocking, and a parcel called Joseph Norman's Part, now divided into three (50 acres), Jun 1768