Civic and economic biology /
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| OCLC: | 4757213 |
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| Main Author: | |
| Language: | English |
| Published: |
Philadelphia :
P. Blakiston's Son & Co.
[c1922]
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| Subjects: | |
| Format: | Monograph Note that CRL will digitize material from the collection when copyright allows. |
| Physical Description: | xv, 470 p. illus. 21 cm. |
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| Audience: | High School, 10th grade. |