| title | ISBN-13 | year of publication |
|---|---|---|
| Adam Bremensis and Sueonia: A fresh look at Gesta hammaburgensis ecclesiae pontificum | 978-91-554-1580-8 | 1984 |
| Dialogue and community: Ecumenical issues in inter-religious relationships | 978-91-85424-02-3 | 1977 |
| När Sverige blev europeiskt: Till frågan om Sveriges kristnande | 978-91-27-03595-9 | 1993 |
| Religion and politics in Harare, 1890-1980 | 978-91-85424-52-8 | 1999 |
| Religion and Politics in Southern Africa | 978-91-7106-312-0 | 1991 |