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by Ritter, John H., 1951-
Publication Year: 2012

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by Ritter, John H., 1951-
Publication Year: 2003

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by Ritter, John H., 1951-
Publication Year: 2000

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by Ritter, John H., 1951-
Publication Year: 2012

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Nonmusical Sound Recording
by Ritter, John H., 1951-
Publication Year: 2009

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