980 resultados para United States. Department of Health, Education, and Welfare.


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Includes bibliographies.

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Mode of access: Internet.

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Includes bibliographical references.

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Mode of access: Internet.

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"PB81-163347."

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Description based on: Jan. 31, 1946; title from cover.

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"The project reported herein was performed pursuant to a grant from the U.S. Office of Education, Department of Health, Education and Welfare."