- Author: Ernst Jaeger (editor)
- Language: German
- Year: 1911
- Author: Ernst Jaeger (editor), A. Weissler (editor)
- Language: German
- Year: 1911
Die Geschäftsaufsicht zur Abwendung des Konkurses: (Verordnung des Bundesrats vom 14. Dez. 1916)
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- Author: Georg Klien (editor), Ernst Jaeger (editor)
- Language: German
- Year: 1917
- Author: Ernst Jaeger (editor)
- Language: German
- Year: 1931