Matches in Library of Congress for { ?s ?p 1981.. }
- 81181233%2F%2Fr932 created "1981.".
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- 81181393%2F%2Fr96 created "1981.".
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- 81181413%2F%2Fr91 created "1981.".
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- 81181454%2F%2Fr872 created "1981.".
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- 81181488%2F%2Fr912 created "1981.".
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- 81181523%2F%2Fr91 created "1981.".
- 81181524%2F%2Fr913 created "1981.".
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- 81181543%2F%2Fr91 created "1981.".
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- 81181552%2F%2Fr91 created "1981.".
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- 81181569%2F%2Fr982 created "1981.".
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- 81181584%2F%2Fr84 created "1981.".
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- 81181607%2F%2Fr852 created "1981.".
- 81181608%2F%2Fr895 created "1981.".
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- 81181631%2F%2Fr94 created "1981.".
- 81181633 created "1981.".
- 81181647 created "1981.".
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- 81181650 created "1981.".
- 81181652 created "1981.".
- 81181656 created "1981.".
- 81181668 created "1981.".