Heller, Theodor, 1869–
Nationality: Undetermined, possibly 
(Germany)
Identities and Authority Control
- Open Library: OL2183903A
- pdbooks.info ID: 137101
Theodor Heller Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
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| Grundriss der Heilpädagogik | 2. umgearb. und verm. Aufl., | 1912 | Author | |  |  | | |    
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