"The Dialogus at a glance. Part 1 Dialogus, On heresy -- Part 2 Dialogus, Tract 1. Authorship uncertain, On Pope John XXII and the visio beatifica. New edition by Kilcullen, Ballweg and Leppin (2011) ; Tract 2. Authorship uncertain, On Pope John XXII and the visio beatifica. New edition by Kilcullen, Ballweg and Leppin (2011) -- Part 3 Dialogus, Tract 1, books 1-4, c.26. An unfinished preparatory treatise on papal power. New edition by Kilcullen, Ballweg and Leppin (2011) ; Tract 2, books 1-3, c. 23. An unfinished preparatory treatise on imperial power. New edition in this volume by Heinen and Ubl."--Page [viii]