O's · Olaf Schieche · Olive (Hrsg.) Sayce · Olivia Sage
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Mediaeval German Lyric, 1150-1300: The Development of Its Themes and Forms in Their European Context | 978-0-19-815772-4 (0-19-815772-X) | 1981 |
| Poets of the Minnesang | 978-0-19-815373-3 (0-19-815373-2) | 1967 |