Incipit rac[i]onale diuino[rum] officio[rum].

Accession number: 
PML 20092
Durand, Guillaume, approximately 1230-1296.
Maguntinum : Per Johannem Fust ... et Petrum Gernszheym, Millesimo quadringentesimo quinquagesimonono. Sexto die Octobris [6 October 1459].
[160] leaves ; 41 cm (fol.)
Credit Line: 
Purchased by J.P. Morgan, Jr., 1916.

Title from incipit, leaf [1]/1r.
Imprint from colophon, leaf [18]/10r: Presens rac[i]onalis d[iv]ino[rum] codex offic[i]o[rum] venustate capitaliu[m] decoratus. rubricationibusq[ue] distinctus. Artificiosa adinue[n]tione imprimendi ac caracterizandi: absq[ue] calami exaratio[n]ij sic effigiatus. Et ad eusebiam dei industrie est [con]su[m]matus Per Johanne[m] fust ciue[m] Magu[n]tinu[m]. Et petru[m] Gernszheym. Clericum dioces[is] eiusdem. Anno d[omi]ni Millesimo quadringentesimo qui[n]quagesimonono. Sexto die Octobris.
Printed in Fust and Schoeffer's types 3:91G and 5:118G.
Collation: [1-3¹⁰ 4⁸ 5-6¹⁰ 7⁶ (5+1: "co[n]seruent[ur]") 8²; 9⁸ 10⁶ 11-15¹⁰ 16⁸; 17¹⁰ 18¹⁰ (9+1: "in om[n]i mense"): 160 leaves.
All known copies on vellum, excepting that at Munich which appears to be made up from a set of proof sheets.
Primary initials printed in red and blue, most secondary initials printed in red; rubrics printed in red.
PML copy printed on vellum.
PML copy leaf dimensions: 39.5 x 29.5 cm.
PML copy with leaf [7]/5+1 incorrectly bound after leaf [7]/4.

18th-century English gilt-tooled red morocco over paper boards (41 x 30.5 cm), sewn on 7 bands. Marbled paper pastedowns and endleaves, with plain paper endleaves, and original endleaf from a vellum music manuscript; decorative endbands; gilt edges.
Variant Title: 

Rationale divinorum officiorum


Hand decoration: Contemporary red rubrication, initials and paragraph marks. Annotations: Contemporary marginal notations and corrections sporadically throughout text. Inscription on author: "Rationalis hujus Diuinorum officiorum author est Illustris[simus] D. Guilielmus Durandus. S. Ecclesiae Minatensis Episcopus Sacrae Romanae Ecclesie Cardinalis. A[nn]o 1656" (leaf [18]/10v).

Trier, St. Mary ad martyres (Benedictines), abraded inscription, legible under UV: "Liber [monasterii B. Marie ad [matyre]s sup[er] litus Moselle extra muros Treveris]" (leaf [1]/1r) and shelf mark: "Fii" (front endleaf 4 recto); unidentified German inscription: "[???] Buediger Ehurfursthait unter Wolgebornen Herr unnd [????]," late 16th/17th century (front endleaf 4 recto); Thomas Herbert (1656-1733), Earl of Pembroke, acquired about 1700, binding (with pencil inscription for title label, leaf [1]/1r), shelf mark: Kk. 13 (front endleaf 2 verso) and Ia.2 (front endleaf 1 verso, later Pembroke shelfmark?), and spine label: "Gf 19", his sale, Sotheby's, 25 June 1914, lot 87 for £1950 to Olschki; J.P. Morgan, Jr. (1867-1943), purchased from Olschki, Dec. 1916.