_Documentary authorities_:--The principal original sources are, _The Red Book of the Exchequer_ (Hall, Rolls Series); _The Hundred Rolls_ (Record Commission), _Placita de quo Warranto_ (Record Commission); _Placitorum Abbreviatio_ (Record Commission); _Testa de Nevill_ (Record Commission),[46] _Inquisitions Post Mortem_ (Record Office Calendars), _Feudal Aids_ (Record Office Calendars). [Footnote 44: Besides these ten, the palatinate county of Chester had its own escheator, and the Mayor of London exercised the office in London. Minor escheatries were carved out from time to time.] [Footnote 45: Unfree tenure is illustrated below in section III., The Manor.] [Footnote 46: A new edition is in course of preparation.] 1. FRANKALMOIN [_Ancient Deeds_, B. 4249]. _temp._ Henry II. To all sons of Holy Mother Church, present and to come, Roger son of Elyas of Helpstone, greeting. Know ye that I have given and granted and by my present charter confirmed to God and the church of St. Michael of Stamford and the nuns serving God there, for the souls of my father and my mother and for the salvation of my soul and the souls of my ancestors and successors, in free and pure and perpetual alms, 2 acres of land, less 1 rood, in the fields of Helpstone, to wit, 3 roods of land on Peselond between the land of Payn the knight and between the land of Robert Blund, and 1/2 acre between the land of William Peri and between the land of William son of Ede, and 2 roods between the land of Sir Roger de Torpel, lying on both sides. I have given, moreover, to God and the church of St. Michael and the nuns serving God there, in free and pure and perpetual alms 1/2d. of rent which John son of Richard of Barnack used to render to me on the day of St. Peter's Chains[47] for a house and for a rood of land in Helpstone. And the aforesaid land and 1/2d. of rent I, Roger, and my heirs will warrant to the aforesaid nuns against all men and against all women. Witnesses:--Payn of Helpstone, Roger his son, Geoffrey of Lohoum, Geoffrey of Norbury, Walter of Helpstone, Robert son of Simon, Geoffrey son of John, Geoffrey son of Herlewin, Walter of Tickencote, Richard Pec. [Footnote 47: August 1.] 2. KNIGHT SERVICE [_Inquisitions post mortem, Edward II,_ 2, 19], 1308.