Organization and administration of the duplicacte school in Philadelphia, PA. /
| Hlavní autor: | |
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| Korporace: | |
| Typ dokumentu: | Kniha |
| Jazyk: |
angličtina |
| Vydavatel: |
Washington :
Government printing office,
1924.
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| Edice: |
Bulletin of the Burreau of Education ;
No.24 (1924) |
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