MS. Bodl.: Digby 72, fol. 49 b, 50 (sec. xiv-xv).
MSS. Bodl.: Digby 190, f. 77: _Inc._ ‘De somno et vigilia pertractantes, Perypateticorum sentenciam potissime sequemur.’
Cambridge:--Publ. Library Ii, vi. 5, fol. 85 b-88 (sec. xiii). _Inc._ ‘Sompnus ergo et vigilia describuntur multis modis.’
_Summulae Dialectices_, an elementary treatise on logic, characterised by Charles, who expresses a doubt as to its authenticity, as very dry, unimportant, and intended for lecturing purposes. _Inc._ ‘Introductio est brevis et apta demonstratio.’ ‘Expliciunt sumule magistri Roberti (_sic_) Baccun.’
_Syncategoremata._ _Inc._ ‘Partium orationis quaedam sunt declinabiles.’
MS. Bodl.: Digby 204, fol. 88 (sec. xiv).
_Summa de sophismatibus et distinctionibus._ _Inc._ ‘Potest queri de difficultatibus accidentibus.’
MS. Bodl.: Digby 67, fol. 117 (sec. xiii); fragment.
_Tractatus de signis logicalibus._ _Inc._ ‘Signum est in predicamento relationis.’
MS. Bodl.: Digby 55, fol. 228 (sec. xiii).
_Opus Majus_, written A. D. 1266-1267; 7 parts. _Inc._ ‘Sapientiae perfecta consideratio consistit in duobus.’
MSS. of the whole work: Oxford:--Bodl. Digby 235 (sec. xv and xiv).
Dublin:--Trinity Coll. 81 (= 221); a transcript of this is in Trinity Coll. Cambridge.
Paris:--Bibl. Mazarine 3488 (sec. xviii).
Rome:--Vatican 4086 (Montfaucon’s Catal. p. 114), ‘Rogerii Baconi causae universales in septem partes distinctae’; probably the _Opus Majus_.
Parts I-VI edited by Jebb, 1733: reprinted at Venice 1750.
I. _On the four causes of human ignorance_: authority, custom, popular opinion, and the pride of supposed knowledge.
MS. Brit. Museum: Cott. Jul. F vii. fol. 186.
II. _On the causes of perfect wisdom in Holy Scripture_, or, _On the dignity of philosophy_.
This part, Charles points out (p. 62), is not perfect in Jebb’s edition: see _Opus Tertium_, cap. XXVI, XXVII.
MSS. London:--British Museum: Cotton, Tib. C. V. (sec. xiv); Julius D. V. ‘De utilitate scientiarum’; Julius F vii. fol. 178 (sec. xv), ‘Declaratio effectus verae mathematicae.’ And fol. 180, ‘De moribus hominum secundum complexiones et constellationes.’
Royal 7 F vii, p. 1 (sec. xiii), ‘Pars quarta compendii studii theologiae’; pp. 82-125, ‘Descriptiones locorum’; pp. 133-140, ‘De utilitate astronomiae,’ or ‘Tractatus de corporibus coelestibus.’