Matches in Library of Congress for { ?s ?p 1981.. }
- 81183652%2F%2Fr90 created "1981.".
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- 81183720%2F%2Fr872 created "1981.".
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- 81183894%2F%2Fr87 created "1981.".
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- 81184391%2FSA%2Fr87 created "1981.".
- 81184393%2F%2Fr96 created "1981.".
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- 81184411%2F%2Fr922 created "1981.".
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- 81184430%2F%2Fr86 created "1981.".
- 81184436 created "1981.".
- 81184440 created "1981.".
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- 81184481 created "1981.".
- 81184484%2F%2Fr94 created "1981.".
- 81184495 created "1981.".
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- 81184509%2F%2Fr982 created "1981.".
- 81184510%2F%2Fr84 created "1981.".
- 81184511%2F%2Fr982 created "1981.".