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Chaptra

Euthenics

  • 2 books
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

Ellen H. (Ellen Henrietta) Richards

Cover of The Super Race: An American Problem

The Super Race: An American Problem

Scott Nearing