Matches in Library of Congress for { ?s ?p 1981-. }
- 82180472 date "1981-".
- 82181341%2F%2Fr91 date "1981-".
- 82181794 date "1981-".
- 82182319 date "1981-".
- 82182421 date "1981-".
- 82182565 date "1981-".
- 82182845 date "1981-".
- 82183458%2F%2Fr97 date "1981-".
- 82183554%2F%2Fr985 date "1981-".
- 82184084%2F%2Fr902 date "1981-".
- 82184127%2FSA date "1981-".
- 82184865 date "1981-".
- 82185060 date "1981-".
- 82185148 date "1981-".
- 82185183%2F%2Fr94 date "1981-".
- 82185793 date "1981-".
- 82186100 date "1981-".
- 82187627 date "1981-".
- 82187868 date "1981-".
- 82187980 date "1981-".
- 82188808 date "1981-".
- 82188948 date "1981-".
- 82188971%2F%2Fr963 date "1981-".
- 82188989 date "1981-".
- 82189356 date "1981-".
- 82189707%2F%2Fr90 date "1981-".
- 82189759 date "1981-".
- 82189881 date "1981-".
- 82189966 date "1981-".
- 82190703 date "1981-".
- 82190899%2FAK date "1981-".
- 82190981 date "1981-".
- 82191267 date "1981-".
- 82191593 date "1981-".
- 82192970 date "1981-".
- 82193067 date "1981-".
- 82193308 date "1981-".
- 82194425%2F%2Fr922 date "1981-".
- 82194707 date "1981-".
- 82194720%2F%2Fr94 date "1981-".
- 82195077%2F%2Fr88 date "1981-".
- 82195486 date "1981-".
- 82195532 date "1981-".
- 82196144 date "1981-".
- 82196200 date "1981-".
- 82197353 date "1981-".
- 82197625 date "1981-".
- 82197683 date "1981-".
- 82197784 date "1981-".
- 82198310 date "1981-".
- 82198328%2F%2Fr92 date "1981-".
- 82198365 date "1981-".
- 82198909 date "1981-".
- 82198929 date "1981-".
- 82199941%2F%2Fr973 date "1981-".
- 82200005 date "1981-".
- 82200188 date "1981-".
- 82200265 date "1981-".
- 82200327 date "1981-".
- 82201051 date "1981-".
- 82201129%2F%2Fr89 date "1981-".
- 82201145 date "1981-".
- 82201862 date "1981-".
- 82202241 date "1981-".
- 82202382 date "1981-".
- 82202490 date "1981-".
- 82203015 date "1981-".
- 82203553 date "1981-".
- 82203559 date "1981-".
- 82203872 date "1981-".
- 82204002 date "1981-".
- 82204389 date "1981-".
- 82204998 date "1981-".
- 82205160 date "1981-".
- 82206088 date "1981-".
- 82207695 date "1981-".
- 82207826 date "1981-".
- 82207874%2F%2Fr884 date "1981-".
- 82207905%2FAK%2Fr922 date "1981-".
- 82208209 date "1981-".
- 82208698 date "1981-".
- 82209200%2F%2Fr912 date "1981-".
- 82209314 date "1981-".
- 82209546 date "1981-".
- 82210160 date "1981-".
- 82210266 date "1981-".
- 82210374 date "1981-".
- 82211433%2F%2Fr92 date "1981-".
- 82212241 date "1981-".
- 82212557%2F%2Fr97 date "1981-".
- 82212587%2F%2Fr922 date "1981-".
- 82213392 date "1981-".
- 82214131 date "1981-".
- 82214154%2F%2Fr83 date "1981-".
- 82214376 date "1981-".
- 82214661 date "1981-".
- 82214892 date "1981-".
- 82214905 date "1981-".
- 82214922 date "1981-".
- 82215584 date "1981-".