Brain-Rest. E-book. Formato PDF - 9780243780464

Un ebook di J. Leonard Corning
edito da Forgotten Books , 2017

Formato: PDF - Protezione: nessuna

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Brain-Rest. E-book. Formato PDF. In a speech published recently,1 Mr. Herbert Spencer has drawn special and deserved attention to the excessive degree of nervous activity which has become so characteristic a feature of centres of mod ern civilization, more particularly as exhibited in this country. In this connection Mr. Spencer says.