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1by Sutton, George Miksch“...Pittsburgh : Published by the authority of the Board of Trustees of the Carnegie Institute, 1901...”
Published 1932
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2by Crosby, Cyrus Richard“...Pittsburgh : Published by the authority of the Board of Trustees of the Carnegie Institute, 1901...”
Published 1934
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3by Peters, Harold S“...Pittsburgh : Published by the authority of the Board of Trustees of the Carnegie Institute, 1901...”
Published 1934
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4by Alexander, Charles P.“...Pittsburgh : Published by the authority of the Board of Trustees of the Carnegie Institute, 1901...”
Published 1934
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5by Raup, Lucy C“...Pittsburgh : Published by the authority of the Board of Trustees of the Carnegie Institute, 1901...”
Published 1936
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6by Jennings, O E“...Pittsburgh : Published by the authority of the Board of Trustees of the Carnegie Institute, 1901...”
Published 1936
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7by Jennings, O E“...Pittsburgh : Published by the authority of the Board of Trustees of the Carnegie Institute, 1901...”
Published 1936
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8by Raup, Hugh M“...Pittsburgh : Published by the authority of the Board of Trustees of the Carnegie Institute, 1901...”
Published 1936
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9“...Pittsburgh : Published by the authority of the Board of Trustees of the Carnegie Institute, 1901...”
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10by Henn, Arthur W“...Pittsburgh : Published by the authority of the Board of Trustees of the Carnegie Institute, 1901...”
Published 1932
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11by Sutton, George Miksch“...Pittsburgh : Published by the authority of the Board of Trustees of the Carnegie Institute, 1901...”
Published 1932
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12by McIlroy, W J“...Pittsburgh : Published by the authority of the Board of Trustees of the Carnegie Institute, 1901...”
Published 1934
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13“...Pittsburgh : Published by the authority of the Board of Trustees of the Carnegie Institute, 1901...”
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