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7by Gallup, George, 1930-, Gallup, George, 1930-2011, Poling, David, 1928-, Poling, David, 1928-, Poling, David, 1928-Other Authors: “...Poling, David, 1928-...”
Published 1980
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8by Marshall, George N, Marshall, George N, Marshall, George N, Poling, David, 1928-, Poling, David, 1928-, Poling, David, 1928-Other Authors: “...Poling, David, 1928-...”
Published 1971
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