ID Numbers
- OLID: OL2870632A
Links outside Open Library
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Alternative names
- Helmut Karl Seitz
| March 16, 2012 | Edited by Nere | Edited without comment. |
| January 23, 2012 | Edited by 91.6.253.186 | Added new photo |
| April 29, 2008 | Created by an anonymous user | initial import |