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1
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2by Walker, Charles R. (Charles Rumford), 1893-Subjects “...Technology and civilization....”
Published 1968
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3by Walker, Charles R. (Charles Rumford), 1893-Subjects “...Technology and civilization....”
Published 1962
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4Published 1972Subjects “...Technology and civilization Congresses....”
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5
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6by Nef, John U. (John Ulric), 1899-Subjects “...Technology and civilization....”
Published 1958
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11by Broers, Alec, 1938-Subjects “...Technology and civilization....”
Published 2005
Connect to Table of contents
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