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Bio-Bibliographical Guide to Medieval and Early Modern Jurists

Ames Projects

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Report No. r354

Johannes Petrus de Ferrariis

fl. late 14th–early 15th c.


Alternative Names

Ferrari; Giovanni Pietro (LC); Giovanni Pietro Ferrari; Giampetro Ferrari; Gian Petro Ferrari; Giampetro Ferraris; Johannes Petri de Ferrariis; Joannes Petrus de Ferrariis



Born in Parma, Johannes was a professor in Pavia from 1389. It is not certain when he died. His procedural manual, thePractica, was begun in 1400.



No. 1

Practica nouo iudicialis, c. 1400. Also known as the Practica aurea.


Text(s) – Manuscripts

No. 1

Practica nouo iudicialis, c. 1400.


Bonn, Universitäts- u. Landesbibl. 268


München, BSB Clm 5466


Praha, Metropolitní Kapitula J.xi


Text(s) – Early Printed Editions

No. 1

Practica nouo iudicialis, c. 1400.

Early Printed Editions

Venezia, 1473 (Hain 6984 ff.).


Lyon, 1509.



J. von Schulte, QL 2.294.