Matches in Library of Congress for { ?s ?p 1981-. }
- 81194720 created "1981-".
- 81195120 created "1981-".
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- 81195554 created "1981-".
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- 81196961%2F%2Fr92 created "1981-".
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- 81216704%2F%2Fr88 created "1981-".
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- 81466791%2F%2Fr912 created "1981-".
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- 81482490%2F%2Fr972 created "1981-".
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- 81601406 created "1981-".
- 81601415 created "1981-".
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- 81602855 created "1981-".
- 81602976 created "1981-".
- 81603087 created "1981-".
- 81603368 created "1981-".
- 81603385 created "1981-".
- 81603404 created "1981-".
- 81603521 created "1981-".
- 81603551 created "1981-".
- 81603556 created "1981-".
- 81603561 created "1981-".
- 81603583 created "1981-".
- 81603710 created "1981-".