R.K. · R. L · Robert K. · Robert L.
| title | ISBN-13 | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| Contemporary German | 978-0-07-067661-9 | 1971 | Hans Heinrich Waengler | |
| Contemporary German: Instructor's Manual | 978-0-07-067662-6 | 1971 | " | |
| Dictionary of the old low and central Franconian psalms and glosses | 978-3-484-10468-6 | 1983 | ||
| On Germanic Linguistics: Issues and Methods | 978-3-11-013000-3 | 1992 | Irmengard Rauch · Gerald F. Carr | |