- Author: Hermann Hoffmann
- Language: German
- Year: 1871
- Author: Dr. Hermann Hoffmann (auth.)
- Language: German
- Year: 1923
- Author: Dr. Hermann Hoffmann (auth.)
- Language: German
- Year: 1922
- Author: A. O. Professor Hermann Hoffmann (auth.)
- Language: German
- Year: 1928
Das Problem des Charakteraufbaus: Seine Gestaltung Durch die Erbbiologische Persönlichkeitsanalyse
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- Author: Dr. Hermann Hoffmann (auth.)
- Language: German
- Year: 1926