| http://www.w3.org/ns/prov#value | - Beacham's encyclopedia of social change: America in the twentieth century - Google BooksSearch Images Maps Play YouTube News Gmail Drive More ??Sign inAdvanced Book SearchBooksbooks.google.co.uk - Traces the evolution of social ideas and values in the United States during the twentieth century, using such indicators as advertising, crime and justice, family life, fashion, music, race and class, se
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