Euthenics, the science of controllable environment : A plea for better living conditions as a first step toward higher human efficiency [electronic resource] / Ellen H. Richards

Author:	Richards, Ellen H. (Ellen Henrietta), 1842-1911
Subject:	HN, Euthenics
Format:	Text
Date issued:	2010
Language:	English
Publisher:	Project Gutenberg,
Rights:	Public domain in the USA.
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