The Catholic University of America 

Canon Law 702

History of the Sources Canon Law

Ken Pennington

Wed. 11:10-1:00 P.M.

Classroom:  Canon Law Seminar Room, Mullen Library

326-328 Caldwell Hall:  

W 1:30-3:00 PM

and  by appointment

416 Columbus School of Law:  

T-Th 2:45-3:45 PM

 and by appointment

413 Caldwell Hall
Tel. 319-6264

416 Law School
Tel. 319-5150 

Home tel.: 202-547-3620

  (Click on addresses to send Email)

Detail from Tomb of Mondino de' Liuzzi († 1326), sculpted by Roso (Boso) da Parma, Church of San Vitale, Bologna

Coimbra, Biblioteca da Universidade 722, fol. 2r

Required books:

Gratian, Treatise on Laws, Catholic University Press, $14.95

Compare prices!  The books can be bought from or from Barnes and Noble for the price quoted after the book.

The following readings are required for the course:

Ken Pennington, A Short History of Canon Law from Apostolic Times to 1917 (From the Eleventh Century to the End)

Anders Winroth, The Making of Gratian's Decretum (Cambridge 2000) (I will give you a digital copy)

Ken Pennington, Biography of Gratian

Anders Winroth, Where Gratian Slept: The Life and Death of the Father of Canon Law

Frederick S. Paxton, Gratian’s Thirteenth Case and the Composition of the Decretum

Ken Pennington, Gratian, Causa 19, and the Birth of Canonical Jurisprudence

Anders Winroth's and Titus Lenherr's Analysis of the St Gall Manuscript

John T. Noonan, Catholic Law School - A.D. 1150 (on Causa 29)

Mary E. Sommar, Gratian's Causa VII and the Multiple Recension Theories

Melodie Harris Eichbauer, St. Gall Stiftsbibliothek 673 and the Early Redactions of Gratian’s Decretum

Atria Larson, The Evolution of Gratian’s Tractatus de penitentia

Atria Larson, Early Stages of Gratian’s Decretum and the Second Lateran Council: A Reconsideration

Ken Pennington, "Roman and Secular Law in the Middle Ages"

Ken Pennington, "Learned Law, droit savant, gelehrtes Recht:  The Tyranny of a Concept"  


Medieval Towers in Bologna:  Asinelli 97 meters and Garisenda 48 meters

Proper forms of citations to Canon and Roman Law from Brundage, Medieval Canon Law (London-New York: 1995)

Resources on the Web

Clavis canonum at the MGH

The Manuscripts in the Cathedral Chapter Library of Cologne

Manuscripts in the Stiftsbibliothek Sankt Gallen

Biblioteca Apostolica Vaticana, Palatina Manuscripts

Progetto Irnerio (Collegio di Spagna in Bologna)

Pseudo-Isidorian Decretals

Electronic Gratian (Bayerische Staatsbibliothek München) (Friedberg)

Electronic Gratian (Friedberg Pdf File Searchable and Bookmarked)

Electronic Decretales Gregorii noni (Catania Friedberg)

Glossed Gratian  Nürnberg 1493

Glossed Decretales Rome 1582

Glossed Corpus iuris canonici (UCLA)

Brasington and Brett Edition of Ivo of Chartres' Panormia

Polycarpus, Collectio canonum

Justinian's Corpus iuris civilis

Gaius' Institutes and Theodosian Code

Marriage Canons in Gratian and the Decretals

Email Requirement

Please email me as soon as possible to both my email addresses: and

We will be using email this semester, and I want to have a list-serve for the class at CUA and at home.

The course will require one research paper that will be due at the end of the semester and ongoing class participation. Final Essay is due on Friday, May 9th, 2014

Please bring a laptop with wireless capabilities to each class.   You can borrow a laptop at the circulation desk of Mullen Library.


Codex iuris canonici 1917

Codex iuris canonici 1917

Codex iuris canonici 1917

Codex iuris canonici 1917 (Links to various sites)

Codex iuris canonici 1983

Codex iuris canonici 1983