DH Coll. 3: Sociology. Technology and Society.
with articles by several writers
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DH Coll. 2: Education and Personal Development. Humanism and Humanistic Psychology.
with articles by several writers
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DH Collection 1: Classical Music
with texts by several writers
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El concepto de salud mental en la obra de Erich Fromm
de Enrique Ubilla
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Art of the Viking Age
by Andrea C. Snow
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Humanism and Renaissance
By Ruggiero Romano und Alberto Tenenti
