LIBER SENTENTIARUM.--INQUISITION OF THOULOUSE

Mr. Editor,--In or about 1756, an ancient manuscript in folio, on vellum, was deposited in the British Museum by Dr. Secker, then Bishop of Oxford, afterwards Archbishop of Canterbury, and still, I take for granted, remains in that institution. It was intitled upon the cover, _Liber Sententiarum_; but contained the Acts and Decisions of the Inquisition of Thoulouse, from the year 1307 to 1323. It had been purchased by the contributions of the Archbishops of Canterbury and York, of the Bishop of Oxford himself, and of various other prelates, the lord Chancellor, the Speaker of the House of Comm…