Matches in Library of Congress for { ?s ?p Physical sciences Study and teaching (Elementary) Activity programs.. }
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- 2001027625 subject "Physical sciences Study and teaching (Elementary) Activity programs.".
- 2006052453 subject "Physical sciences Study and teaching (Elementary) Activity programs.".
- 2007037836 subject "Physical sciences Study and teaching (Elementary) Activity programs.".
- 2007272257 subject "Physical sciences Study and teaching (Elementary) Activity programs.".