Matches in Library of Congress for { ?s ?p 1981.. }
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- 80028106%2F%2Fr98 created "1981.".
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- 80028139%2F%2Fr932 created "1981.".
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- 80028170%2F%2Fr935 created "1981.".
- 80028172 created "1981.".
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- 80028179%2F%2Fr88 created "1981.".
- 80028181 created "1981.".
- 80028191 created "1981.".
- 80028193 created "1981.".
- 80028196 created "1981.".