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- 55003306 contributor B1300615.
- 55003306 created "1953]".
- 55003306 date "1953".
- 55003306 date "1953]".
- 55003306 dateCopyrighted "1953]".
- 55003306 description "Bibliography: p. 15.".
- 55003306 extent "15 p.".
- 55003306 issued "1953".
- 55003306 issued "1953]".
- 55003306 language "eng".
- 55003306 publisher "Washington,".
- 55003306 subject "Class size.".
- 55003306 subject "LB3013 .N35 1952".
- 55003306 title "Teacher load, teacher lift. [Report by the Committee on Teacher Load in Relation to Effective Teaching at the joint committee conference, Washington, D.C., November 28-29, 1952. Laverne Sweatmon, chairman, and others. With the assistance of the Research Division of the National Education Association.".
- 55003306 type "text".