Bibliographic Details
| Main Author: |
Barr, Arvil Sylvester, 1892- |
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| Other Authors: |
Burton, William H. (William Henry), 1890-1964,
Brueckner, Leo J. (Leo John), 1890-1967 |
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| Format: | Book
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| Language: | English |
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| Published: |
New York, London,
D. Appleton-Century co., inc.
[c1938]
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| Series: | Appleton series in supervision and teaching.
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| Subjects: | |
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