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- Tags: mathematics

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### An unidentified professor assisting a student during a mathematics class

0001-005-classes_mathematics-009 1980s### Woman with text book and ruler, pointing out problems on the blackboard

0001-005-classes_mathematics-004 1969### Shirley Tayler and David Senn writing out math equations on the blackboard

0001-005-classes_mathematics-003 1956
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