| Revision ID | User | Note | Date |
|---|---|---|---|
| #305062 | Gustav Landauer Library Witten | Wikidata—Gustav Landauer Library Witten | 2026-09-06 10:07:16 |
| #177534 | Gustav Landauer Library Witten | Internet Archive—Gustav Landauer Library Witten | 2024-03-20 12:08:14 |
| #164719 | Gustav Landauer Library Witten | 2023-12-19 13:17:31 |