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- catalog contributor b4465531.
- catalog created "1949.".
- catalog date "1949".
- catalog date "1949.".
- catalog dateCopyrighted "1949.".
- catalog extent "18 p.".
- catalog isPartOf "Its Bulletin, 1947-48".
- catalog isPartOf "National Science Teachers Association. Bulletin ; 1947-48.".
- catalog issued "1949".
- catalog issued "1949.".
- catalog language "eng".
- catalog publisher "Washington, D.C., The Assn.,".
- catalog subject "Q181 .N385".
- catalog subject "Science Study and teaching.".
- catalog subject "Teaching.".
- catalog title "Teaching conditions and the work week of high school science teachers, reported at Cleveland, Ohio, July, 1948.".
- catalog type "text".