Matches in Library of Congress for { ?s ?p 1981.. }
- 81187513%2F%2Fr87 created "1981.".
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- 81187635%2F%2Fr902 created "1981.".
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- 81188050%2F%2Fr92 created "1981.".
- 81188053%2F%2Fr883 created "1981.".
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- 81188055 created "1981.".
- 81188056 created "1981.".
- 81188060%2F%2Fr92 created "1981.".
- 81188062 created "1981.".
- 81188063%2F%2Fr90 created "1981.".
- 81188064%2F%2Fr92 created "1981.".
- 81188066 created "1981.".
- 81188068 created "1981.".