Universitätsbibliothek Freiburg i. Br., P 5973,a-1 Boeckhn, Placidus
Commentarius In Jus Canonicum Universum, Sive In Quinque Libros Ac Titulos Decretalium Gregorii IX. Pontif. Max. Et Concordantes Alios Tam Ejusdem Juris Canonici Quam Civilis: In Tres Tomos Distributus (Tom. 1: Complectens Librum I & II Decretalium)
