Matches in Library of Congress for { ?s ?p 1981.. }
- 81190426 created "1981.".
- 81190434 created "1981.".
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- 81190665%2F%2Fr91 created "1981.".
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- 81190704%2F%2Fr982 created "1981.".
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- 81190745 created "1981.".
- 81190746%2F%2Fr943 created "1981.".
- 81190748 created "1981.".
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- 81190755%2F%2Fr93 created "1981.".