| Code: | Kinsky |
| Citation: | Kinsky, Georg, and Hans Halm. Das Werk Beethovens. Munich: Henle, 1955. |
| Abbreviation: | WoO (n 79107741) |
| Access Point Use: | For works without opus no.; use in authorized or variant access points. |
| Notes: | WoO formerly represented by K.; still found in some variant access points. |
| Code: | Hess |
| Citation: | Hess, Willy. Verzeichnis der nicht in der Gesamtausgabe veröffentlichen Werke Ludwig van Beethovens. Wiesbaden: Breitkopf & Härtel, 1957. |
| Abbreviation: | H. (n 79107741) |
| Access Point Use: | For works without opus no. and not in Kinsky; use in authorized or variant access points. |
| Notes: |