Matches in Library of Congress for { ?s ?p 1981.. }
- 81038398%2F%2Fr85 created "1981.".
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- 81043020 created "1981.".
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- 81043046%2F%2Fr84 created "1981.".
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- 81043051%2F%2Fr95 created "1981.".
- 81043052 created "1981.".
- 81043053 created "1981.".
- 81043055 created "1981.".
- 81043059 created "1981.".
- 81043069%2F%2Fr892 created "1981.".
- 81043082 created "1981.".