| Born | 1893 |
| Died | 1984 |
| July 14, 2021 | Edited by Gustav-Landauer-Bibliothek Witten | merge authors |
| September 30, 2020 | Edited by MARC Bot | add ISNI |
| March 31, 2017 | Edited by MARC Bot | add VIAF and wikidata ID |
| December 30, 2009 | Created by ImportBot | new author |
| Born | 1893 |
| Died | 1984 |
| July 14, 2021 | Edited by Gustav-Landauer-Bibliothek Witten | merge authors |
| September 30, 2020 | Edited by MARC Bot | add ISNI |
| March 31, 2017 | Edited by MARC Bot | add VIAF and wikidata ID |
| December 30, 2009 | Created by ImportBot | new author |