Matches in Library of Congress for { ?s ?p c1981. }
- 86119129 dateCopyrighted "c1981".
- 86139010 dateCopyrighted "c1981".
- 86139367 dateCopyrighted "c1981".
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- 92113931 dateCopyrighted "c1981".
- 93109319 dateCopyrighted "c1981".
- 93127442 dateCopyrighted "c1981".
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- 93182494 dateCopyrighted "c1981".
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- 95184827 dateCopyrighted "c1981".
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- 00418028 issued "c1981".
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- 2001037455 issued "c1981".
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- 2002413604 issued "c1981".
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- 2004366581 issued "c1981".
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- 2009504195 issued "c1981".
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- 79017259%2F%2Fr842 issued "c1981".
- 79090362 issued "c1981".
- 80000316%2F%2Fr92 issued "c1981".
- 80005946 issued "c1981".
- 80017119 issued "c1981".
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- 80026830%2F%2Fr84 issued "c1981".
- 80028471 issued "c1981".
- 80028803%2F%2Fr852 issued "c1981".
- 80051835 issued "c1981".
- 80052195 issued "c1981".
- 80065622 issued "c1981".
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- 80070231 issued "c1981".
- 81002083%2F%2Fr87 issued "c1981".
- 81004816%2F%2Fr93 issued "c1981".
- 81006088 issued "c1981".
- 81011024%2F%2Fr90 issued "c1981".
- 81015413 issued "c1981".
- 81018313 issued "c1981".
- 81050159 issued "c1981".
- 81050725 issued "c1981".
- 81051362 issued "c1981".
- 81051392 issued "c1981".
- 81052456 issued "c1981".
- 81065585 issued "c1981".
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- 81066772%2F%2Fr85 issued "c1981".
- 81066797 issued "c1981".
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- 81067789%2F%2Fr912 issued "c1981".
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- 81080186%2F%2Fr90 issued "c1981".
- 81080252%2F%2Fr83 issued "c1981".
- 81080285 issued "c1981".
- 81080480%2F%2Fr92 issued "c1981".
- 81080664 issued "c1981".
- 81081871 issued "c1981".
- 81084508%2F%2Fr83 issued "c1981".
- 81084852 issued "c1981".
- 81086269 issued "c1981".
- 81086270 issued "c1981".
- 81086272 issued "c1981".
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- 81086276 issued "c1981".
- 81086277 issued "c1981".
- 81086278%2F%2Fr90 issued "c1981".
- 81086279 issued "c1981".
- 81090052 issued "c1981".
- 81090365 issued "c1981".
- 81090392%2F%2Fr92 issued "c1981".