| Born | 1909 |
| Born | 1909 |
Subjects
Communicable diseases, Education, Educational psychology, Hygiene, Psychology of Learning, Study and teachingID Numbers
- OLID: OL2010347A
Links outside Open Library
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| August 20, 2008 | Edited by RenameBot | fix author name |
| April 1, 2008 | Created by an anonymous user | initial import |