- Inventory number: 903897
- Language: EN
- Type: B
- Call number: 507
- Author number: C147
- Title: OPEN DOORS TO SCIENCE
- Author: CALDWELL,OTIS W.
- Author: W.H.DMEIER
- Place of publication and publisher: BOSTON:GINN AND COMPANY
- Publication date: 1925
- Pages: 333
- Subject: STUDY &TEACHING
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