Ellen H. (Ellen Henrietta) Richards

1842 - 1911

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Books by Ellen H. (Ellen Henrietta) Richards

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Cover of Euthenics, the science of controllable environment: A plea for better living conditions as a first step toward higher human efficiency

Euthenics, the science of controllable environment: A plea for better living conditions as a first step toward higher human efficiency

Euthenics

Cover of The Cost of Shelter

The Cost of Shelter

Building