Wallraff, Martin (Personal Name)
Der Kirchenhistoriker Sokrates, 1997: title page (Martin Wallraff) page 6 (foreword signed in Bonn)
Africanus, Sextus Julius. Cesti, 2012: title page (Martin Wallraff)
Universität Basel, Theologische Fakultät website, viewed July 18, 2012: link to Personen page (Prof. Dr. Martin Wallraff; professor of church history and the history of theology; born 1966 in Munich, Germany; Wissenschaftlicher Assistent at the Universität Bonn, 1996-2000)
Ökumene in Wahrheit und Liebe, 2016: title page (Martin Wallraff) page 4 of cover (Dr. theol., born 1966; Professor für Kirchen- und Theologiegeschichte an der Universität Basel)
German Wikipedia, viewed February 15, 2017 (Martin Wallraff; born October 25, 1966, in Munich; German Protestant church historian; in March, 2016, he joined the faculty of the Universität München)
Universität München, Evangelisch-Theologische Fakultät website, viewed February 15, 2017: link to Personen page (Prof. Dr. Martin Wallraff, Lehrstuhlinhaber; was dean of the theological faculty at Universität Basel from 2012 to 2014) http://www.kg1.evtheol.uni-muenchen.de/personen/lehrstuhlinhaber/wallraff/index.html