Matches in Library of Congress for { ?s ?p 1981.. }
- 81180818%2F%2Fr932 created "1981.".
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- 81180922%2F%2Fr953 created "1981.".
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- 81180930%2F%2Fr912 created "1981.".
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- 81180969%2F%2Fr95 created "1981.".
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- 81181035%2F%2Fr91 created "1981.".
- 81181039%2F%2Fr84 created "1981.".
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- 81181045%2F%2Fr86 created "1981.".
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- 81181133 created "1981.".
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- 81181138%2F%2Fr85 created "1981.".
- 81181140%2F%2Fr91 created "1981.".
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- 81181143 created "1981.".
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- 81181155%2F%2Fr912 created "1981.".
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- 81181173 created "1981.".
- 81181176 created "1981.".
- 81181178 created "1981.".
- 81181183 created "1981.".
- 81181184 created "1981.".
- 81181185%2F%2Fr89 created "1981.".
- 81181191 created "1981.".
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- 81181196%2F%2Fr984 created "1981.".
- 81181201%2F%2Fr98 created "1981.".
- 81181216 created "1981.".
- 81181217%2F%2Fr91 created "1981.".
- 81181218%2F%2Fr87 created "1981.".
- 81181220%2F%2Fr883 created "1981.".
- 81181221 created "1981.".
- 81181228 created "1981.".
- 81181230 created "1981.".
- 81181231%2F%2Fr87 created "1981.".