Matches in Library of Congress for { ?s ?p <1981- >. }
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- 81177804 issued "<1981- >".
- 82117497 issued "<1981- >".
- 82119100 issued "<1981- >".
- 82120140 issued "<1981- >".
- 82123279 issued "<1981- >".
- 82129607 issued "<1981- >".
- 82129811 issued "<1981- >".