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1
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2
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3by Porter, Roy, 1946-
Published 1977Book -
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5by Porter, Roy, 1946-
Published 1987Book -
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7by Porter, Roy, 1946-
Published 2003Book -
8by Porter, Roy, 1946-
Published 2000Book -
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12
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14
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17by Porter, Roy, 1946-
Published 1989Book -
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20by Porter, Roy, 1946-
Published 2000Book