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- Title:
- Elementary science: intermediate grades
- Corporate Author:
- Philadelphia (Pennsylvania) Public Schools
- Date:
- 1966
- State/Country:
- Pennsylvania
- Subjects:
- Science
- Title:
- Elementary science: primary unit
- Corporate Author:
- Philadelphia (Pennsylvania) Public Schools
- Date:
- 1964
- State/Country:
- Pennsylvania
- Subjects:
- Science
- Title:
- Elementary science: scope and sequence charts
- Corporate Author:
- Philadelphia (Pennsylvania) Public Schools
- Date:
- 1962
- State/Country:
- Pennsylvania
- Subjects:
- Science
- Title:
- General science: grades 7 and 8
- Corporate Author:
- Philadelphia (Pennsylvania) Public Schools
- Date:
- 1963
- State/Country:
- Pennsylvania
- Subjects:
- Science
- Title:
- Shelter through science: research and experiment have helped mankind to evolve better living conditions
- Corporate Author:
- Philadelphia (Pennsylvania) Public Schools
- Date:
- 1945
- State/Country:
- Pennsylvania
- Subjects:
- Science