List of Breviarium extravagantium manuscripts

Selected Canon Law Collections, ca. 500–1234
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The following is a work-in-progress list of known (to Danica Summerlin) manuscripts of Bernard of Pavia's Breviarium extravagantium. It takes as its starting points Kuttner's Repertorium and its various additions by Kuttner, Stickler, Fransen, Bertram, and others, and Gero Dolezalek's Manuscripta Juridica.

The list is divided into four sections: full(-ish) copies, meaning anything reasonably substantial even if incomplete; very partial copies (i.e. up to a quire, including flyleaves); lost copies; and 'under investigation', which normally means that the manuscript is listed somewhere (such as on the Biobibliographical Guide, in the literature, or in a manuscript catalogue) but either the location of that information is uncertain and so further due diligence is required to make sure that it really is a copy of the Breviarium, or something doesn't quite seem right and so it needs checking before it can be confirmed. As things progress, the plan is that the final section of the list should get shorter.

The sigla and type refer to the work of Gérard Fransen. In the early 1960s, Fransen published two critical pieces on the Breviarium, in which he outlined three stages of its composition. The earliest manuscripts - which themselves are not uniform - were declared the Σ-group. The next group contained some additions but were not the final version became the φ-group: most of these were French, so Fransen also referred to this as the 'French' group. The most recent set of manuscripts, also known as the 'classic' group, were the Λ-group. Between each set of manuscripts, moreover, Fransen identified 3 types of intermediary manuscripts that for whatever reason did not quite fit into his schematic. These are signalled below as 'I1-I3', but each of these manuscripts is itself distinct.

Fransen never published the final outcome of his research into the Breviarium: in 1961, he published a preliminary list of 38 manuscripts, their sigla and type, but in the 1965 follow-up ('La tradition manuscrite de la "Compilatio Prima"'), Fransen only mentioned select manuscripts.

Full(ish) Manuscripts

Manuscript Siglum Date (approx) Type Notes & Description Digital Images
Admont, Stiftsbibliothek, Cod. 22 Kuttner, Repertorium p. 341; MJ
Admont, Stiftsbibliothek, Cod. 55 MJ
Alba Julia, Batthyaneum, R.II.5 MJ
Alba Julia, Batthyaneum, R.II.166 MJ; Bertram, 'Some Additions', p. 10.
Angers, BM, 375 (362) Ang. φ Kuttner, Repertorium p. 335; MJ commulysse.angers.fr
Arras, BM, 597 (CGM 505) Kuttner, Repertorium p. 335 arca.irht.cnrs.fr
Arras, BM, 75 (CGM 956) Kuttner, Repertorium p. 335 arca.irht.cnrs.fr
Avranches, BM, 149 Kuttner, Repertorium p. 335 emmsm.unicaen.fr
Bamberg, Staatsbibliothek, Msc.Can.19 Baa Λ Kuttner, Repertorium p. 329; MJ nbn-resolving.org (digital.bib-bvb.de)
Bamberg, Staatsbibliothek, Msc.Can.20 Kuttner, Repertorium p. 330; MJ nbn-resolving.org (digital.bib-bvb.de)
Bamberg, Staatsbibliothek, Msc.Can.21 Kuttner, Repertorium p. 330; MJ
Beaune, BM, 19 Bea Λ Kuttner, Repertorium p. 335
Berlin, SBPK, lat. fol. 231 I-2 Kuttner, Repertorium p. 330
Berlin, SBPK, lat. fol. 306 Kuttner, Repertorium p. 330
Berlin, SBPK, lat. fol. 427 Kuttner, Repertorium p. 330
Bordeaux, BM, 400 Bertram 'Some Additions', p. 10 selene.bordeaux.fr (from microfilm)
Brugge, Openbare Bibliotheek, 367 Brv Λ brugge.bibliotheek.be; Kuttner, Repertorium p. 329 sharedcanvas.be
Brugge, Openbare Bibliotheek, Grootseminarie 044/063 Brs φ brugge.bibliotheek.be; Kuttner, Repertorium p. 329 sharedcanvas.be
Bruxelles, KBR, 1407-9 Bxl I-1 opac.kbr.be; Kuttner, Repertorium p. 329 uurl.kbr.be
Burgo de Osma, Biblioteca del Catedral, 6 Kuttner, Repertorium p. 342
Cambridge, Gonville and Caius College, 28 (17) Kuttner, Repertorium p. 333
Cambridge, Gonville and Caius College, 44 (150) Kuttner, Repertorium p. 334
Chartres, BM, 462 (CGM 384) Kuttner, Repertorium p. 336 arca.irht.cnrs.fr
Chartres, BM, 355 (CGM 318) Kuttner, Repertorium p. 335 arca.irht.cnrs.fr
Córdoba, Archivo Capitular, 10 Fransen, 'Espagne', p. 233; García y García, 'CH, II', p. 505
Córdoba, Archivo Capitular, 22 Kuttner, Repertorium p. 343
Douai, BM, 593 Kuttner, Repertorium p. 336
Douai, BM, 594 Kuttner, Repertorium p. 336
Douai, BM, 595 Kuttner, Repertorium p. 336
Durham, Cathedral Library, C.III.3 Kuttner, Repertorium p. 334 Not online as of March 2026
Durham, Cathedral Library, C.III.4 Kuttner, Repertorium p. 334 iiif.durham.ac.uk
El Escorial, Real Biblioteca del Escorial, K.I.9 Kuttner, Repertorium p. 343
Épinal, BM, 72 Kuttner, Repertorium p. 336
Erlangen, Universitätsbibliothek, 349 Kuttner, Repertorium p. 330
Firenze, BML, Plut. III sin.6 Fia Λ Kuttner, Repertorium p. 340 tecabml.content.dm.oclc.org
Firenze, BML, Plut. IV sin.2 Fib Λ Kuttner, Repertorium p. 340 tecabml.content.dm.oclc.org
Firenze, BNC, Conv. Soppr. Vallombrosa, 36 Bertram 'Some Additions', p. 11 archive.org
Freiburg, Universitätsbibliothek, 361a Kuttner, Repertorium p. 330 dl.ub.uni-freiburg.de
Fulda, Hessische Landesbibliothek, 100 D.5 Kuttner, Repertorium p. 331; MJ nbn-resolving.org
Fulda, Hessische Landesbibliothek, 100 D.6 Kuttner, Repertorium p. 331; MJ nbn-resolving.org
Giessen, Universitätsbibliothek, 1105 I-1 Kuttner, Repertorium p. 331 digisam.ub.uni-giessen.de
Graz, Universitätsbibliothek, Ms 106 Kuttner, Repertorium p. 341 unipub.uni-graz.at
Graz, Universitätsbibliothek, Ms 138 Kuttner, Repertorium p. 341 unipub.uni-graz.at
Graz, Universitätsbibliothek, Ms 374 Kuttner, Repertorium p. 341
Grenoble, BM, 325 (CGM 476) Gre Σ Kuttner, Repertorium p. 336
Halle, ULB Sachsen-Anhalt, Ye 2° 52 [ps.III] Kuttner, Repertorium p. 331; MJ
Halle, ULB Sachsen-Anhalt, Ye 2° 80 Kuttner, Repertorium p. 331; MJ
Karlsruhe, Badische Landesbibliothek, Aug. XL Kuttner, Repertorium p. 332 nbn-resolving.org (digital.blb-karlsruhe.de)
Karlsruhe, Badische Landesbibliothek, Cod. Aug. perg. 210 Kuttner, Repertorium p. 332 nbn-resolving.org (digital.blb-karlsruhe.de)
Kraków, Archiwum i Biblioteka Kapituły Katedralnej, 89 Kra Σ Kuttner, Repertorium p. 342; MJ
Laon, BM, 385 I-3 Kuttner, Repertorium p. 336
Leipzig, Universitätsbibliothek, 968 Kuttner, Repertorium p. 332 digital.ub.uni-leipzig.de
Leipzig, Universitätsbibliothek, 983 Kuttner, Repertorium p. 332; MJ digital.ub.uni-leipzig.de
Lilienfeld, Stiftsbibliothek, Cod. 220 MJ manuscriptorium.com
Lille, BM, 697 (CGM 145) Kuttner, Repertorium p. 337 arca.irht.cnrs.fr
Lincoln, Cathedral Library, MS 29 Kuttner, Repertorium p. 334
Lincoln, Cathedral Library, MS 38 Kuttner, Repertorium p. 334
Lincoln, Cathedral Library, MS 163 Kuttner, Repertorium p. 334
Lisboa, Biblioteca Nacionale, ALC. 173 [304] I-1 Kuttner, Repertorium p. 342 purl.pt (from fol. 10v)
Lisboa, Biblioteca Nacionale, ALC. 381 [305] Kuttner, Repertorium p. 342 purl.pt
London, BL, Royal 11.C.VII Kuttner, Repertorium p. 334; MJ
London, BL, Harley 3834 Kuttner, Repertorium p. 334; MJ
London, Lambeth Palace Library, 80 I-2 (?) Kuttner, Repertorium p. 335
London, Lambeth Palace Library, 105 I-2 (?) Kuttner, Repertorium p. 335; MJ
Lyon, Bibliothèque Diderot de Lyon, Mss&R 32 (formerly Lyon, BU 6) Lug φ calames.abes.fr; Kuttner, Repertorium p. 337 arca.irht.cnrs.fr (select pages only)
Melk, Stiftsbibliothek, Cod. 190 (333, F 33) Kuttner, Repertorium p. 342
Melk, Stiftsbibliothek, Cod. 289 (518, I 37) Kuttner, Repertorium p. 342
Modena, Biblioteca Estense, lat. 968 (a.R.4.16; XII.L.8) Mut ? Kuttner, Repertorium p. 340; Pennington, 'Decretal Collections', pp. 308-9
Montecassino, Archivio dell’Abbazia, 46 manus.iccu.sbn.it; Kuttner, Repertorium p. 340 omnes.dbseret.com
Montecassino, Archivio dell’Abbazia, 67 manus.iccu.sbn.it; Kuttner, Repertorium p. 340 omnes.dbseret.com
Montecassino, Archivio dell’Abbazia, 185 manus.iccu.sbn.it; Kuttner, Repertorium p. 340 omnes.dbseret.com
Montecassino, Archivio dell’Abbazia, 468 MJ; Bertram 'Some Additions', p. 13
München, BSB, Clm 3879 Kuttner, Repertorium p. 332 digitale-sammlungen.de (from microfilm)
München, BSB, Clm 6352 Kuttner, Repertorium p. 333 digitale-sammlungen.de (from microfilm)
München, BSB, Clm 7430 Kuttner, Repertorium p. 333
München, BSB, Clm 8302 Kuttner, Repertorium p. 333
Olomouc, Státni Archiv, C.O. 589 Kuttner, Repertorium p. 343
Orléans, BM, 223 Bertram 'Some Additions', p. 14 mediatheques.orleans.fr
Padova, Biblioteca Antoniana, 35 I-2 Kuttner, Repertorium p. 340
Padova, Biblioteca Antoniana, 41 Kuttner, Repertorium p. 341
Paris, Bibliothèque Mazarine, 1292 Pma φ Kuttner, Repertorium p. 338
Paris, BnF, lat. 3925 Pra φ Kuttner, Repertorium p. 337
Paris, BnF, lat. 3929 Prb φ Kuttner, Repertorium p. 337 gallica.bnf.fr (fol. 22ra-73rb)
Paris, BnF, lat. 3930 Prc Λ Kuttner, Repertorium p. 337 gallica.bnf.fr (starts incomplete)
Paris, BnF, lat. 3931 A Prd Λ Kuttner, Repertorium p. 337
Paris, BnF, lat. 3932 Pre Λ Kuttner, Repertorium p. 337 gallica.bnf.fr
Paris, BnF, lat. 3953 Prf Λ Kuttner, Repertorium p. 337
Paris, BnF, lat. 9632 Prs φ Kuttner, Repertorium p. 337 gallica.bnf.fr
Paris, BnF, lat. 14321 Pva Λ Kuttner, Repertorium p. 337
Paris, BnF, lat. 14610 Pvb φ Kuttner, Repertorium p. 338
Paris, BnF, lat. 15398 Pla Λ Kuttner, Repertorium p. 338 gallica.bnf.fr (fol. 3ra-73ra)
Paris, BnF, lat. 15398 Plb φ Kuttner, Repertorium p. 338 gallica.bnf.fr (fol. 204ra-279rb)
Paris, BnF, lat. 15400 Bertram 'Some Additions', p. 15
Paris, BnF, lat. 15996 Pld I-2 Kuttner, Repertorium p. 338 gallica.bnf.fr (from microfilm)
Paris, BnF, lat. 15997 Ple I-2 Kuttner, Repertorium p. 338 gallica.bnf.fr (from microfilm; fol. 1ra but missing early folios)
Paris, BnF, nouv. acq. lat. 2127 Pna φ Kuttner, Repertorium p. 338
Paris, BnF, nouv. acq. lat. 2192 Pns Λ Kuttner, Repertorium p. 338
Perugia, Biblioteca Capitolare, L. 69 [817] Per Λ Kuttner, Repertorium p. 341
Piacenza, Biblioteca Capitolare, 35 (47) Bertram 'Some Additions', p. 15
Reims, BM, 690 Kuttner, Repertorium p. 338 arca.irht.cnrs.fr (from microfilm)
Reims, BM, 692 Kuttner, Repertorium p. 338 arca.irht.cnrs.fr (from microfilm; starts fol. 52r)
Rouen, BM, E.54 (CGM 706) Kuttner, Repertorium p. 338
Saint-Omer, BM, 107 MJ arca.irht.cnrs.fr (starts fol. 3r)
Saint-Omer, BM, 447 Kuttner, Repertorium p. 338 arca.irht.cnrs.fr
Salzburg, Stiftsbibliothek St Peter, a.IX.18 HMML; Pennington, 'Decretal Collections', pp. 308-9
Sankt Gallen, Stiftsbibliothek, Cod. Sang. 715 MJ; Stickler, 'Iter Helveticum', p. 465
Sigüenza, Archivio de la Catedral, 10 Sig Σ MJ; Fransen, 'Espagne, II', p. 156.
Sigüenza, Archivio de la Catedral, 12 Fransen, 'Espagne, II', p. 156.
Tarragona, Biblioteca Pública, 55 Fransen, 'Espagne', p. 939 (top half of ms only) bvpb.mcu.es
Toulouse, BM, 368 Tol φ Kuttner, Repertorium p. 339 arca.irht.cnrs.fr
Trier, Stadtbibliothek 864/1301 Kuttner, Repertorium p. 333
Trier, Stadtbibliothek 876/1642 Kuttner, Repertorium p. 333
Troyes, BM, 102 Kuttner, Repertorium p. 339 portail.mediatheque.grand-troyes.fr (from microfilm)
Troyes, BM, 385 Kuttner, Repertorium p. 339 portail.mediatheque.grand-troyes.fr
Troyes, BM, 944 I-2 Fransen, 'La tradition manuscrite', p. 57 portail.mediatheque.grand-troyes.fr
Valenciennes, BM, 274 Kuttner, Repertorium p. 339
Varna, Abbazia di Novacella, 107 HMML; manuscripta.at
Città del Vaticano, BAV, Borgh. 264 Kuttner, Repertorium p. 343 digi.vatlib.it
Città del Vaticano, BAV, Chigi E.VII.207 Vch Λ Kuttner, Repertorium p. 343
Città del Vaticano, BAV, Ott. lat. 1943 Vot Λ Kuttner, Repertorium p. 344 digi.vatlib.it (from microfilm)
Città del Vaticano, BAV, Pal. lat. 288 Vpa φ Kuttner, Repertorium p. 344 MJ digi.vatlib.it
Città del Vaticano, BAV, Pal. lat. 652 Vpb I-2 Kuttner, Repertorium p. 344 digi.vatlib.it
Città del Vaticano, BAV, Pal. lat. 653 Vpc φ Kuttner, Repertorium p. 344 digi.vatlib.it
Città del Vaticano, BAV, Pal. lat. 696 Kuttner, Repertorium p. 344 digi.vatlib.it
Città del Vaticano, BAV, Urb. lat. 178 Kuttner, Repertorium p. 344 digi.vatlib.it
Città del Vaticano, BAV, Vat. lat. 1377 Kuttner, Repertorium p. 343 digi.vatlib.it
Città del Vaticano, BAV, Vat. lat. 2509 Kuttner, Repertorium p. 343 digi.vatlib.it
Vendôme, BM, 89 Kuttner, Repertorium p. 339 arca.irht.cnrs.fr
Venice, Biblioteca Nazionale Marciana, Lat. IV 25 (= 3231) Kuttner, Repertorium p. 341
Vercelli, Biblioteca Capitolare, XXIII (84) Kuttner, Repertorium p. 341
Worcester, Cathedral Library, F.122 I-2 Kuttner, Repertorium p. 335; MJ
Zwettl, Stiftsbibliothek, 30 Kuttner, Repertorium p. 342
Zwettl, Stiftsbibliothek, 34 Kuttner, Repertorium p. 342


Very Partial Copies

'Very Partial' here means a quire or less, and therefore includes fragments which are recorded only as flyleaves in other manuscripts. The 'Notes' section here details how much survives.

Manuscript Date (rough) Notes Description Digital Images
Berkeley, CA, Robbins Coll. Fragment Canon. 4 MJ
Cambridge, Pembroke College, 189 Flyleaves: Ira-IIvb MJ
Chalon-sur-Saône, BM, 15 fol. 169-76; Fransen 'Cha' arca.irht.cnrs.fr
Durham, Cathedral Library, B.iii.15 fol. 106ra-111vb iiif.durham.ac.uk
Genève, Bibliothèque de Genève lat. 167 Fransen's 'Gen' archive.org (2016 Catalogue)
Halle, ULB Sachsen-Anhalt, Ye.52 [ps.II] fol. 8ra-8rc (18ra-18rc) MJ
London, BL, Royal App. 4 fol. 1, 2-10v
Madrid, Academia de la Historia, Cód. 66 First and final flyleaves to a copy of X; Fransen, 'Espagne', p. 233; García y García, 'Canonistica Hispanica (III), p. 459. bibliotecadigital.rah.es
Ourense, Biblioteca de la Catedral,Fragment 37-A García y García, 'Canonistica Hispanica (III), p. 459.
Paris, BnF, lat. 3736 saec. xiiex (?) fol. i-ii; cut down hugely but looks old portail.biblissima.fr portail.biblissima.fr (from microfilm)
New York, Columbia University Library, Medieval/Renaissance Fragment 98 Somerville, 'A Fragment'
New York, Columbia University Library, Medieval/Renaissance Fragment 111 Somerville, 'Another Fragment'
Philadelphia, UL, Lawrence J. Schoenberg Collection 35 MJ

Antonio García y García (in 'Los manuscritos jurídicos', p. 512) identified six sets of flyleaves in Toledo manuscripts, which he suggested reflected a single Breviarium manuscript. As sections of Book 2 are repeated, however, it suggests at least two manuscripts. The manuscripts in question are: 20-12, 32-5, 36-12, G 3-8, G 6-1, and G 7-7.

Lost Copies

These are manuscripts that were known or described at some point, but which are no longer extant.

Manuscript Date (rough) Description Digital Images
Bonn, Universitäts- und Landesbibliothek ?? Kuttner, Repertorium p. 330
Cheltenham, Phillipps Collection, 2136 Kuttner, Repertorium p. 334 (sold as of 1937)
Płock, Biblioteka Katedralna, Ms. 12 (olim 67) manuscripta.pl
Płock, Biblioteka Katedralna, Ms. 13 (olim 69) manuscripta.pl
Tours, Bibliothèque municipale 569 Kuttner, Repertorium p. 338; ARCA notes 'ms. détruit (1939-1945)'

Under Investigation

Sion, Archives du Chapitre, MS no??? - first discussed in Stickler, 'Iter Helveticum' then referenced in Fransen as being an early intermediary type. This definitely exists, but the manuscript number is currently unknown.

HMML suggests a number of fragmentary copies of the Breviarium attached to other manuscripts either as flyleaves or similar:

  • Bernkastel-Kues, Hospitalbibliothek 261 - ?10 leaves; unclear if the text or an apparatus
  • Sankt- Pölten, Diözesanbibliothek, Codex Sanhippolytensis 25 - flyleaves?
  • Klosterneuburg, Stiftsbibliothek Cod. 674 - early flyleaves

Paris, Bibliothèque Mazarine, Ms 814 is, according to Biblissima, a copy of Thomas Aquinas, Summa Theologica Prima, with 1 Comp. fragments as fly leaves.

Fransen, 'Espagne', p. 233 lists the following manuscripts of the Breviarium, only two of which were identified by Kuttner:

  • Burgo de Osma 6 (=180?)
  • Córdoba, Archivo Capitular, 10 (= 92?)
  • Escorial, K.1.9
  • Madrid, Biblioteca Nacional 99 (= C46)
  • Madrid, Biblioteca Academia de la Historia, 66 (fragment)
  • Tarragona, Biblioteca Pública, MS 55

He also added Sigüenza 10 and 12 in 'Espagne, II', p. 156, and Ourense, Arch. de la Catedral 4 in 'Espagne, III', p. 939. There are corroborating evidence for some of these, including Sigüenza 10 and Córdoba 10 (which may nevertheless be the same as the Córdoba 22 ms identified from Heine's 1846 ms list by Kuttner).

Ourense 4 and Madrid 99 remain uncertain. The old manuscript inventory commentary on Madrid 99 suggests a collection by Bernard, but not enough information is given for a secure attribution.

The Biobibliographical Guide to Medieval and Early Modern Jurists lists several additional manuscripts classed here as 'under investigation': the Sion manuscript noted above, plus Sigüenza 40, Tortosa, Bibl. Cabildo 269, and Olomouc KO 590 which are not mentioned elsewhere in lists of canonical manuscripts. When they are found, they shall be added... Paris, BnF lat. 1540 seems a typo for Paris, BnF lat. 15400 (otherwise missing from the list) while Firenze, Conv. Soppr. Vallombrosa, 38 and Paris, BnF, lat. 15399 are noted by Bertram and Kuttner, respectively, as being commentaries without the text of the decretals, on which more below.

Pennington, 'The Decretalists, 1190-1234', mentions Vercelli, Bibl. Cap. LXXXIX as containing a copy of 1 Comp. on p. 226, but the overview of the ms in 'Decretal collections, 1190-1234' (p. 308) makes no mention; this copy is therefore also under investigation until it can be examined.

Commentaries (?without text of the decretals)

The below are listed in various places as copies of the Breviarium but may in fact be commentaries with or without the text of the decretals included. They are also classed as 'under investigation'.

Manuscript Notes Description Digital Images
Firenze, BNC, Conv. Soppr. Vallombrosa, 38 Tancred's apparatus without decretal text Bertram, 'Some additions', p. 11
Halle, ULB Sachsen-Anhalt, Ye.52 [ps.V] ?Commentary 'ohne Legaltext'; fol. 1v-5v Kuttner, pp. 331-2
Montmorot, Archives Départmentales de Jura, 2Hms31 Unknown commentary purportedly on Brev. but possibly on X archives39.fr
Paris, BnF, lat. 15399 Commentary on the Breviarium, without text Kuttner, p. 338 gallica.bnf.fr (from microfilm)

Literature

Gérard Fransen, 'Manuscrits canoniques (1140-1234) conservés en Espagne', Revue d'histoire ecclésiastique, 48 (1953), 224-34 at 233.

Gérard Fransen, 'Manuscrits canoniques conservés en Espagne, II', Revue d'histoire ecclésiastique, 49 (1954), 152-6 at 156.

Gérard Fransen, 'Manuscrits canoniques conservés en Espagne, III', Revue d'histoire ecclésiastique, 51 (1956), 935-41 at 939.

Gérard Fransen, 'Les diverse formes de la Compilatio Prima', Scrinium Lovaniense: Mélanges historiques Étienne van Cauwenbergh (Louvain, 1961), pp. 235-253.

Gérard Fransen, 'La tradition manuscrite de la "Compilatio Prima"', in Stephan Kuttner and John Joseph Ryan, eds., Proceedings of the Second International Congress of Medieval Canon Law, MIC series C, Subsidia, 1 (Città del Vaticano, 1965), pp. 55-62.

Antonio García y García, 'Canonistica Hispanica (II)', Traditio, 23 (1967), 504-8.

Antonio García y García, 'Canonistica Hispanica (III)', Traditio, 26 (1970), 457-69.

Antonio García y García, 'Los manuscritos jurídicos medievales de la catedral de Toledo', Traditio, 21 (1965), 511-13.

Stephan Kuttner, Repertorium der Kanonistik, pp. 329-44.

Kenneth Pennington, 'Decretal Collections, 1190-1234', in idem and Wilfried Hartmann, eds., History of Medieval Canon Law in the Classical Period: from Gratian's Decretum to the Liber Extra (Washington, D.C., 2008), pp. 293-317, esp. 295-300.

Kenneth Pennington, 'The Decretalists, 1190-1234', in idem and Wilfried Hartmann, eds., History of Medieval Canon Law in the Classical Period: from Gratian's Decretum to the Liber Extra (Washington, D.C., 2008), pp. 211-45.

Robert Somerville, 'A Fragment of Compilatio Prima at Columbia University', in Wolfgang P. Müller and Mary E. Sommar, eds., Medieval Church Law and the Origins of the Western Legal Tradition: a Tribute to Kenneth Pennington (Washington, D.C., 2006), 154-8.

Robert Somerville, 'Another Fragment of Compilatio Prima at Columbia University', in Paola Maffei and Gian Maria Varanini, eds., Honos alit artes. Studi per il settantesimo compleanno di Mario Ascheri (4 vols, Firenze, 2014), 1.423-6.

A. M. Stickler, 'Iter Helveticum', Traditio, 14 (1958), 462-84.