http://dewey.info/scheme/edition/e23/ en
303.3 Coordination and control
303.38 Public opinion
303.380973 Public opinion--United States 303.385 Prejudice 303.386 Opinions held by groups of people with specific attributes 303.387 Opinions held by ethnic and national groups 303.388 Opinions held by occupational groups
http://dewey.info/scheme/edition/e22/ de
303.3 Koordination und Kontrolle
303.38 Öffentliche Meinung
303.380973 Öffentliche Meinung—USA 303.385 Vorurteil 303.386 Meinungen von Personengruppen mit einzelnen Merkmalen 303.387 Meinungen ethnischer und nationaler Gruppen 303.388 Meinungen von Berufsgruppen
Dewey Decimal Classification
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