1. van den Hoek, Annewies and John J. Herrmann, Jr. , ‘Paulinus of Nola, courtyards, and canthari’, Harvard theological review 93 (2000).
2. Hess, H. The early development of canon law and the Council of Serdica (Oxford, 2002).
3. Schwartz, E. Die Kanonessammlung des Johannes Scholastikos,Sitzungsberichte der Bayerischen Akademie der Wissenschaften (Munich, 1933).
4. Jaffé, P. , ed. Regesta pontificum romanorum (Leipzig, 1885–8 reprint Graz, 1956).
5. Somerville, Robert and Bruce C. Brasington . Prefaces to canon law books in Latin Christianity: Selected translations (New Haven, 1998).