Matches in Library of Congress for { ?s ?p 1981-. }
- 81184418 issued "1981-".
- 81184500%2F%2Fr83 issued "1981-".
- 81184534 issued "1981-".
- 81184655 issued "1981-".
- 81184768 issued "1981-".
- 81184948 issued "1981-".
- 81184949 issued "1981-".
- 81185480 issued "1981-".
- 81185508%2F%2Fr97 issued "1981-".
- 81186409 issued "1981-".
- 81187447 issued "1981-".
- 81187486 issued "1981-".
- 81187741 issued "1981-".
- 81187811%2F%2Fr964 issued "1981-".
- 81187953 issued "1981-".
- 81188033 issued "1981-".
- 81188713 issued "1981-".
- 81189046 issued "1981-".
- 81189116 issued "1981-".
- 81189178%2F%2Fr922 issued "1981-".
- 81190360%2F%2Fr83 issued "1981-".
- 81190361%2F%2Fr922 issued "1981-".
- 81190856 issued "1981-".
- 81191493 issued "1981-".
- 81192270 issued "1981-".
- 81192357 issued "1981-".
- 81192811 issued "1981-".
- 81192834 issued "1981-".
- 81193093%2F%2Fr92 issued "1981-".
- 81193103 issued "1981-".
- 81193850 issued "1981-".
- 81194074 issued "1981-".
- 81194089 issued "1981-".
- 81194720 issued "1981-".
- 81195120 issued "1981-".
- 81195228 issued "1981-".
- 81195554 issued "1981-".
- 81196363%2F%2Fr912 issued "1981-".
- 81196554 issued "1981-".
- 81196604%2F%2Fr953 issued "1981-".
- 81196961%2F%2Fr92 issued "1981-".
- 81197447%2F%2Fr922 issued "1981-".
- 81197941 issued "1981-".
- 81198080 issued "1981-".
- 81198179%2F%2Fr88 issued "1981-".
- 81198185 issued "1981-".
- 81198458%2F%2Fr952 issued "1981-".
- 81198620%2F%2Fr90 issued "1981-".
- 81198727 issued "1981-".
- 81198729 issued "1981-".
- 81198791 issued "1981-".
- 81199019 issued "1981-".
- 81199082 issued "1981-".
- 81200711%2F%2Fr92 issued "1981-".
- 81201074%2F%2Fr90 issued "1981-".
- 81201333 issued "1981-".
- 81202320%2F%2Fr92 issued "1981-".
- 81202483 issued "1981-".
- 81202816 issued "1981-".
- 81203091 issued "1981-".
- 81203360 issued "1981-".
- 81203379 issued "1981-".
- 81203393 issued "1981-".
- 81203701 issued "1981-".
- 81203928 issued "1981-".
- 81204054 issued "1981-".
- 81204090 issued "1981-".
- 81205055 issued "1981-".
- 81205504 issued "1981-".
- 81206363 issued "1981-".
- 81208385 issued "1981-".
- 81209377 issued "1981-".
- 81209691 issued "1981-".
- 81209727 issued "1981-".
- 81210060 issued "1981-".
- 81210243 issued "1981-".
- 81211017 issued "1981-".
- 81211069%2F%2Fr91 issued "1981-".
- 81211176 issued "1981-".
- 81211344 issued "1981-".
- 81212030%2FNE%2Fr972 issued "1981-".
- 81212291 issued "1981-".
- 81213168 issued "1981-".
- 81213613 issued "1981-".
- 81213973 issued "1981-".
- 81214209 issued "1981-".
- 81214267 issued "1981-".
- 81215162 issued "1981-".
- 81215492%2F%2Fr92 issued "1981-".
- 81215981%2F%2Fr85 issued "1981-".
- 81216097 issued "1981-".
- 81216112 issued "1981-".
- 81216145 issued "1981-".
- 81216704%2F%2Fr88 issued "1981-".
- 81216902 issued "1981-".
- 81466791%2F%2Fr912 issued "1981-".
- 81482168 issued "1981-".
- 81482490%2F%2Fr972 issued "1981-".
- 81600968 issued "1981-".
- 81601173 issued "1981-".