Directory of microfilm sources, including photostate service /
| Main Author: | |
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| Corporate Author: | |
| Format: | Book |
| Language: | English |
| Published: |
New York :
Special libraries association,
[1941]
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| Subjects: |
| Item Description: | Reproduced from type-written copy. |
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| Physical Description: | vii, 56 pages : including forms. ; 26 cm. |