Matches in Library of Congress for { ?s ?p 1981.. }
- 81159683%2F%2Fr922 created "1981.".
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- 81159918%2F%2Fr912 created "1981.".
- 81159921%2F%2Fr954 created "1981.".
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- 81159943%2F%2Fr85 created "1981.".
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- 81160163 created "1981.".
- 81160164 created "1981.".
- 81160168%2F%2Fr84 created "1981.".
- 81160171 created "1981.".
- 81160181 created "1981.".
- 81160184%2F%2Fr91 created "1981.".
- 81160189 created "1981.".
- 81160194 created "1981.".
- 81160198%2F%2Fr87 created "1981.".
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- 81160200 created "1981.".
- 81160201%2F%2Fr94 created "1981.".
- 81160203 created "1981.".
- 81160207%2F%2Fr83 created "1981.".
- 81160210 created "1981.".
- 81160211 created "1981.".
- 81160213 created "1981.".