found: Ursprung und Gestalten der frühchristlichen Mahlfeier, 1990:title page (Bernd Kollmann)
found: Joseph Barnabas, 1998:title page (Bernd Kollmann) back cover (born 1959 in Bebra; associated with the Universität-Gesamthochschule Siegen)
found: German Wikipedia, viewed August 30, 2023(Bernd Kollmann; born April 16, 1959, in Bebra; German Protestant theologian; since 2000, he has been professor of New Testament at the Universität Siegen)
found: Deutsche Nationalbibliothek online catalog, viewed August 30, 2023(authorized access point: Kollmann, Bernd; other data in authority record: Prof. Dr. theol.; German Protestant theologian; born 1959; professor of New Testament at the Universität Siegen)