| Titel | Art | | ISBN-13 | Erscheinungsjahr |
| Classical Approaches to the Study of Religion: Aims, Methods, and Theories of Research. Introduction and Anthology | Taschenbuch | | 978-3-11-046952-3 | 2017 |
| Classical Approaches to the Study of Religion: Aims, Methods, and Theories of Research. Introduction and Anthology | Digital | | 978-3-11-047359-9 | 2016 |
| Classical Approaches to the Study of Religion: Aims, Methods and Theories of Research. Introduction and Anthology | Taschenbuch | | 978-3-11-016328-5 | 1999 |
| Classical Approaches to the Study of Religion: Aims, Methods and Theories of Research: Introduction and Anthology | Textbook Binding | | 978-0-310-80015-6 | 1973 |
| Des dieux qui se rapprochent | Broché | | 978-2-8309-0721-6 | 1993 |
| Islam: Historical, Social, and Political Perspectives | Gebunden | | 978-3-11-916206-7 | 2008 |
| Islam: Historical, Social, and Political Perspectives | " | | 978-3-11-017178-5 | 2002 |
| Islamisch- Christliche Beziehungen. Geschichtliche Streifzüge | Broschiert | | 978-3-429-01485-8 | 1998 |
| Muslim-Christian Perceptions of Dialogue Today: Experiences and Expectations | Hardcover | | 978-2-87723-502-0 | 2000 |
| Muslim Perceptions of Other Religions: A Historical Survey | " | | 978-0-19-510472-1 | 1999 |
| Muslims and Others: Relations in Context | Gebunden | | 978-3-11-916777-2 | 2008 |
| Muslims and Others: Relations in Context | " | | 978-3-11-017627-8 | 2003 |
| Muslims as Actors: Islamic Meanings and Muslim Interpretations in the Perspective of the Study of Religions | " | | 978-3-11-019142-4 | 2007 |
| Perspektiven der Religionswissenschaft | Broschiert | | 978-3-429-01513-8 | 1998 |
| Reflections on the Study of Religion | Hardcover | | 978-90-279-7604-8 | 1978 |
| Reflections on the Study of Religion: Including an Essay on the Work of Gerardus Van Der Leeuw | " | | 978-3-11-176607-2 | 1978 |
| Religionen und Religion: Systematische Einführung in die Religionswissenschaft | Gebunden | | 978-3-11-010324-3 | 1986 |
| Scholarly Approaches to Religion, Interreligious Perceptions, and Islam | Taschenbuch | | 978-3-906752-93-8 | 1995 |