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Geheimnisvolle Spuren
| Title | Geheimnisvolle Spuren |
| Author | Stefan von Kotze |
| Year | 1919 |
| Publishing house | Hering, Berlin |
| Signature | Unknown |
| Number of pages | Unknown |
| Number of illustrations | Cover |
| Credit | Börsenblatt Digital |
Paul Casberg illustrated the cover to the book "Geheimnisvolle Spuren" by Stefan von Kotze.
