Sources of lecture reviews II & III

- DU PLESSIS L “An Introduction to Roman Law” Juta & Co. Ltd 1992


- GAIUS, IV.139, 140

- TUORI “The ius respondendi and the Freedom of Roman Jurisprudence” Revue - Internationale des droits de l’Antiquité LI (2004)

- URCH E “The Origin of the Actio Per Formulam”. The Classical weekly Vol. XXVI. Whole No. 712 Mon 10th of April 1933

- GONZALEZ DE CANCINO E. “Manual de Derecho Romano” Universidad Externado de Colombia 2000


- MACKENZIE “Studies in Roman Law with Comparative views of the Laws of France, England and Scotland” . William Blackwood and sons. London

- NICHOLAS B. “An Introduction to Roman Law” (Clarendon Law Series)