The place of the history of religions in the study of theology.
The concept of the 'classical' in the study of religions.
The idea of man in the Near Eastern religions.
Spiritual teachings in Islam with special reference to al-Hujwiri.
The study of Mahayana Buddhism.
Caspar Schwenckfeld: a pupil and a teacher in the school of Christ.- -The role of religion in the social philosophy of Alexis de Tocqueville.
Church, denomination and sect.
Rudolf Otto and The idea of the holy.