Educational work of the Commercial Museum of Philadelphia / by Charles R. Toothaker.
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| Main Author: | |
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| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington :
G.P.O.,
1921.
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| Series: | Bulletin (United States. Bureau of Education) ;
1920, no. 13. |
| Subjects: |
| Physical Description: | 28 pages, 12 pages of plates : illustrations ; 23 cm. |
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