Hahn, Arnold, 1881–
Nationality: Undetermined, possibly 
(Spain)
Identities and Authority Control
- pdbooks.info ID: 72560
Arnold Hahn Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
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| Aumento de la capacidad intelectual (Die steigerung der geistigen leistungsfähigkeit métodos científicos para desarrollar la capacidad intelectual | 1931 | Author | |  |  | | | ||