Matches in Library of Congress for { ?s ?p 1981-. }
- 81146126 issued "1981-".
- 81146534 issued "1981-".
- 81146969 issued "1981-".
- 81147888%2F%2Fr92 issued "1981-".
- 81149070 issued "1981-".
- 81149986 issued "1981-".
- 81150652 issued "1981-".
- 81150811 issued "1981-".
- 81152150 issued "1981-".
- 81153738%2F%2Fr91 issued "1981-".
- 81154308%2F%2Fr87 issued "1981-".
- 81155273 issued "1981-".
- 81155422 issued "1981-".
- 81155671 issued "1981-".
- 81156130 issued "1981-".
- 81156252 issued "1981-".
- 81156666 issued "1981-".
- 81157034 issued "1981-".
- 81157865 issued "1981-".
- 81160410 issued "1981-".
- 81160440%2F%2Fr852 issued "1981-".
- 81160468%2F%2Fr95 issued "1981-".
- 81160687 issued "1981-".
- 81160970 issued "1981-".
- 81161331 issued "1981-".
- 81161379 issued "1981-".
- 81161697 issued "1981-".
- 81161796 issued "1981-".
- 81161836 issued "1981-".
- 81161952%2F%2Fr91 issued "1981-".
- 81162127 issued "1981-".
- 81163009 issued "1981-".
- 81163434%2F%2Fr89 issued "1981-".
- 81163744%2F%2Fr91 issued "1981-".
- 81164192 issued "1981-".
- 81164451 issued "1981-".
- 81164541 issued "1981-".
- 81164712 issued "1981-".
- 81164836 issued "1981-".
- 81165193 issued "1981-".
- 81165737 issued "1981-".
- 81165794%2F%2Fr83 issued "1981-".
- 81166557%2F%2Fr943 issued "1981-".
- 81166706 issued "1981-".
- 81166765 issued "1981-".
- 81166825 issued "1981-".
- 81166905%2F%2Fr92 issued "1981-".
- 81166989 issued "1981-".
- 81167015 issued "1981-".
- 81167299 issued "1981-".
- 81167640 issued "1981-".
- 81168021%2F%2Fr83 issued "1981-".
- 81168208 issued "1981-".
- 81170244%2F%2Fr96 issued "1981-".
- 81170296%2F%2Fr94 issued "1981-".
- 81170537 issued "1981-".
- 81170540 issued "1981-".
- 81170788%2F%2Fr89 issued "1981-".
- 81171093%2F%2Fr90 issued "1981-".
- 81171133 issued "1981-".
- 81171487 issued "1981-".
- 81171488%2F%2Fr82 issued "1981-".
- 81171716 issued "1981-".
- 81171850 issued "1981-".
- 81171983%2F%2Fr91 issued "1981-".
- 81172480 issued "1981-".
- 81172620 issued "1981-".
- 81172635%2F%2Fr86 issued "1981-".
- 81172637 issued "1981-".
- 81173127 issued "1981-".
- 81173308 issued "1981-".
- 81173423%2F%2Fr90 issued "1981-".
- 81175320 issued "1981-".
- 81175569 issued "1981-".
- 81176065%2F%2Fr97 issued "1981-".
- 81176223%2F%2Fr922 issued "1981-".
- 81176398%2F%2Fr90 issued "1981-".
- 81176508%2F%2Fr842 issued "1981-".
- 81176707 issued "1981-".
- 81177024 issued "1981-".
- 81177619 issued "1981-".
- 81177765 issued "1981-".
- 81177935 issued "1981-".
- 81177962 issued "1981-".
- 81178141 issued "1981-".
- 81178511 issued "1981-".
- 81178737 issued "1981-".
- 81180149 issued "1981-".
- 81181625 issued "1981-".
- 81182213 issued "1981-".
- 81182568 issued "1981-".
- 81182812%2F%2Fr98 issued "1981-".
- 81183125 issued "1981-".
- 81183857 issued "1981-".
- 81183858 issued "1981-".
- 81184000 issued "1981-".
- 81184132 issued "1981-".
- 81184323%2F%2Fr902 issued "1981-".
- 81184324%2F%2Fr96 issued "1981-".
- 81184402%2F%2Fr84 issued "1981-".