found: Theology today, 1965:title page (edited by Johannes Feiner, Josef Trütsch, and Franz Böckle)
found: Böckle, Franz. Ethik im Neuen Testament, 1984:title page (Franz Böckle)
found: Personalist morals, 1988:title page (F. Böckle) page 335 (professor emeritus, Catholic faculty, Friedrich-Wilhelms-Universität, Bonn)
found: Aktuelle Probleme der Wirtschaftsethik, 1992:title page (F. Böckle) page 11 (died July 8, 1991)
found: German Wikipedia, viewed January 11, 2024(Franz Böckle; born April 18, 1921, in Glarus, Switzerland; died July 8, 1991, in Glarus; Catholic theologian and ethicist)
found: Deutsche Nationalbibliothek online catalog, viewed January 11, 2024(authorized access point: Böckle, Franz; other data in authority record: Swiss Catholic theologian; taught at the University of Bonn from 1963 to 1986)