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Subjects
Visual education.
Content area reading--Study and teaching (Elementary)--Audio-visual aids.
Mathematics--Study and teaching (Elementary)--Audio-visual aids.
Science--Study and teaching (Elementary)--Audio-visual aids.
Social sciences--Study and teaching (Elementary)--Audio-visual aids.
Charts, diagrams, etc.
Mathematics Elementary
Science Elementary
Social Studies
Content area reading--Study and teaching (Elementary)--Audio-visual aids.
Mathematics--Study and teaching (Elementary)--Audio-visual aids.
Science--Study and teaching (Elementary)--Audio-visual aids.
Social sciences--Study and teaching (Elementary)--Audio-visual aids.
Charts, diagrams, etc.
Mathematics Elementary
Science Elementary
Social Studies
Language
English
Series