| title | media type | ISBN-13 | year of publica- tion | other author(s) | |
|---|---|---|---|---|---|
| Bildgebende Diagnostik bei Lebererkrankungen | Gebunden | 978-3-540-55933-7 | 1993 | Roland Felix · Mathias Langer | |
| Cursing the Christians?: A History of the Birkat HaMinim | Hardcover | 978-0-19-978317-5 | 2012 | ||
| Jewish Liturgy: A Guide to Research | " | 978-0-8108-8616-2 | 2015 | ||
| Klinische Radiologie mit Repetitorium | Gebunden | 978-3-11-011953-4 | 1995 | Roland Felix | |
| Liturgy in the Life of the Synagogue: Studies in the History of Jewish Prayer | Hardcover | 978-1-57506-097-2 | 2005 | Steven Fine | |
| To Worship God Properly: Tensions Between Liturgical Custom and Halakhah in Judaism | Paperback | 978-0-8143-2850-7 | 1999 | ||
| To Worship God Properly: Tensions Between Liturgical Custom and Halakhah in Judaism | Hardcover | 978-0-87820-421-2 | 1998 | ||
| To Worship God Properly: Tensions Between Liturgical Custom and Halakhah in Judaism | Paperback | 978-0-87820-458-8 | 1998 | ||
R. L · R. Langer · Rabbi Ruth Langer · Roland Felix Ruth Langer · Ruth Küng-Langer
De Gruyter · Eisenbrauns · Hebrew Union College Press · Oxford University Press · Scarecrow Press · Springer · Wayne State University Press