Matches in Library of Congress for { ?s ?p [1981]. }
- 00281531 created "[1981]".
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- 00509742 created "[1981]".
- 00509754 created "[1981]".
- 00509830 created "[1981]".
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- 2006329490 created "[1981]".
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- 2007406016 created "[1981]".
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- 2007702524 created "[1981]".
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- 2008530018 created "[1981]".
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- 2008613114 created "[1981]".
- 2008613755 created "[1981]".
- 2008614944 created "[1981]".
- 2009323327 created "[1981]".
- 2009323331 created "[1981]".