| Editor | Klaus Völker |
| Publisher | Zweitausendeins |
| Translated by | Eugen Helmlé, Anna Mohal, Klaus Völker |
| Design Concept | Hannes Jähn |
| Typography by | Dieter Kohler & Bernd Leberfinger |
| Typeset by | Wagner GmbH, Nördlingen |
| Printed by | Wagner GmbH, Nördlingen |
| Paper | Schneidersöhne Papier, Kelkheim |
| Bound by | G. Lachenmaier |
| Copyright Holder | Zweitausendeins |
| Format | Soft cover |
| Language | German |
| Location | Frankfurt am Main |
| Copyright | 1993 |
| Pages / Font | 408 pages |
| Notes | - Spekulationen - Journalistic works from 1901 to 1905 Part of "Gesammelte Werke, herausgegeben von Klaus Völker bei Zweitausendeins" (collected works) |
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