found: Johann Baptist Franzelin (1816-1886), Jesuit, Theologe, Kardinal, 1987:title page (Peter Walter) back cover (born 1950)
found: Das Gewaltpotential des Monotheismus und der dreieine Gott, 2005:title page (Peter Walter) page 230 (professor of dogmatics and director of the Arbeitsbereich Quellenkunde der Theologie des Mittelalters, Universität Freiburg)
found: Universität Freiburg im Breisgau, Arbeitsbereich Dogmatik mit Quellenkunde der Theologie des Mittelalters website, viewed July 29, 2020:link to Personen der Quellenkunde der Theologie des Mittelalters page (under Ehemaliger Lehrstuhlinhaber: Prof. i.R. [i.e. retired] Dr. Peter Walter; born 1950 in Bingen am Rhein; died August 21, 2019, in Freiburg im Breisgau; taught at Freiburg from 1990 to 2015; author of Johann Baptist Franzelin (1816-1886)) - https://www.theol.uni-freiburg.de/disciplinae/dqtm/personen/qtm/walter
found: Ideal und Praxis, 2020:page v (Peter Walter, died August 21, 2019)
found: German Wikipedia, viewed September 4, 2020(Peter Walter (Theologe); Peter Walter; born April 4, 1950, in Bingen am Rhein; died August 21, 2019, in Freiburg im Breisgau; Catholic theologian; studied at Mainz and at the Pontificia Università gregoriana in Rome; ordained to the priesthood in 1975; obtained his Dr. theol. at the Pontificia Università gregoriana in 1980)
found: Deutsche Nationalbibliothek online catalog, viewed September 4, 2020(authorized access point: Walter, Peter; other data in authority record: Prof. Dr. theol.; born 1950; died 2019) - http://d-nb.info/gnd/124625762