MS. Worcester:--Cathedral Library 74 quarto (= Bernard, Tom. II. 918). _Notes or disputations on theology and philosophy_, to which the name ‘Okam’ is appended. MS. Paris:--Bibl. Nat. 15888, f. 163, 174, 181. _Gul. Ocham quedam scripta._ MS. Venice:--Bibl. SS. Joannis et Pauli (Tomasin, p. 25{b}). POLITICAL WORKS. The dates are taken for the most part from Riezler. _Opus nonaginta dierum_ (written between 1330 and 1333). _Inc. prol._ ‘Doctoris gentium et Magistri Beati Pauli.’ MS. Paris:--Bibl. Nat. 3387, fol. 1-163 b (sec. xv). Printed at Louvain 1481, Lyons 1495, and in Goldast’s _Monarchia_, II. 993-1236. This treatise corresponds to _Dialogus_, Part III, Tract vi. _de gestis fratris Michaelis de Cesena_ (see below). _Epistola ad Fratres Minores in Capitulo apud Assisium congregatos_, A. D. 1334. _Inc._ ‘Religiosis viris fratribus minoribus universis A. D. Millesimo CCCXXXIIII. in festo Petri apud Assisium congregatis frater Guilhelmus de Ocham fidem defensare.’ MS. Paris:--Bibl. Nat. 3387, fol. 262 b-265 a (sec. xv). This has not been printed and is not mentioned by Riezler; it is distinct from the letter of Cesena to the Friars Minors about to assemble in Chapter at Perpignan or Avignon, dated April 25, 1331 (printed Lyons 1495), and the letter of Cesena to all the Friars Minors, dated Jan. 24, 1331 (printed ibid.; Goldast, II. 1238, and Riezler, 248, give 1333 as the date of this last letter). _Dialogus[1464] inter magistrum et discipulum de Imperatorum et Pontificum Potestate_; 3 parts: i. _De fautoribus haereticorum libri septem_ (written A. D. 1342 or 1343). _Inc._ ‘In omnibus rebus curiosus existis.’ ii. _De dogmatibus Johannis XXII, tractatus duo_ (A. D. 1333 or 1334). _Inc._ ‘Verba oris ejus iniquitas et dolus.’ iii. _De gestis circa fidem altercantium_, (A. D. 1342-3). (1) De potestate papae et cleri; 4 books. (2) De potestate et juribus Romani imperii; 3 books. _Inc._ ‘Discip. Salomonis utcumque sequendo vestigia.’ MSS. London:--Brit. Mus. Royal 7 F xii, §§ 1 and 2 (sec. xv), Parts I and II; Harleian, 33 (sec. xv), Parts I and II; Addit. 33243 (sec. xv), Parts I and II; also Lambeth Palace Library 168 (sec. xv), Parts II and III. Oxford:--St. John’s College, 69 (sec. xv), Part I.