Matches in Library of Congress for { ?s ?p 1981-. }
- 81131392 dateCopyrighted "1981-".
- 81131935%2F%2Fr92 dateCopyrighted "1981-".
- 81131996 dateCopyrighted "1981-".
- 81132117%2F%2Fr89 dateCopyrighted "1981-".
- 81132956%2F%2Fr952 dateCopyrighted "1981-".
- 81133722 dateCopyrighted "1981-".
- 81134597 dateCopyrighted "1981-".
- 81134782 dateCopyrighted "1981-".
- 81135591 dateCopyrighted "1981-".
- 81135700%2F%2Fr92 dateCopyrighted "1981-".
- 81136210 dateCopyrighted "1981-".
- 81136517 dateCopyrighted "1981-".
- 81137887 dateCopyrighted "1981-".
- 81138128%2F%2Fr91 dateCopyrighted "1981-".
- 81138956%2F%2Fr96 dateCopyrighted "1981-".
- 81139501%2F%2Fr91 dateCopyrighted "1981-".
- 81142315 dateCopyrighted "1981-".
- 81142909%2F%2Fr963 dateCopyrighted "1981-".
- 81143197%2F%2Fr92 dateCopyrighted "1981-".
- 81143707 dateCopyrighted "1981-".
- 81144630%2F%2Fr94 dateCopyrighted "1981-".
- 81145954 dateCopyrighted "1981-".
- 81146126 dateCopyrighted "1981-".
- 81146534 dateCopyrighted "1981-".
- 81146969 dateCopyrighted "1981-".
- 81147888%2F%2Fr92 dateCopyrighted "1981-".
- 81149070 dateCopyrighted "1981-".
- 81149986 dateCopyrighted "1981-".
- 81150652 dateCopyrighted "1981-".
- 81150811 dateCopyrighted "1981-".
- 81152150 dateCopyrighted "1981-".
- 81153738%2F%2Fr91 dateCopyrighted "1981-".
- 81154308%2F%2Fr87 dateCopyrighted "1981-".
- 81155273 dateCopyrighted "1981-".
- 81155422 dateCopyrighted "1981-".
- 81155671 dateCopyrighted "1981-".
- 81156130 dateCopyrighted "1981-".
- 81156252 dateCopyrighted "1981-".
- 81156666 dateCopyrighted "1981-".
- 81157034 dateCopyrighted "1981-".
- 81157865 dateCopyrighted "1981-".
- 81160410 dateCopyrighted "1981-".
- 81160440%2F%2Fr852 dateCopyrighted "1981-".
- 81160468%2F%2Fr95 dateCopyrighted "1981-".
- 81160687 dateCopyrighted "1981-".
- 81160970 dateCopyrighted "1981-".
- 81161331 dateCopyrighted "1981-".
- 81161379 dateCopyrighted "1981-".
- 81161697 dateCopyrighted "1981-".
- 81161796 dateCopyrighted "1981-".
- 81161836 dateCopyrighted "1981-".
- 81161952%2F%2Fr91 dateCopyrighted "1981-".
- 81162127 dateCopyrighted "1981-".
- 81163009 dateCopyrighted "1981-".
- 81163434%2F%2Fr89 dateCopyrighted "1981-".
- 81163744%2F%2Fr91 dateCopyrighted "1981-".
- 81164192 dateCopyrighted "1981-".
- 81164451 dateCopyrighted "1981-".
- 81164541 dateCopyrighted "1981-".
- 81164712 dateCopyrighted "1981-".
- 81164836 dateCopyrighted "1981-".
- 81165193 dateCopyrighted "1981-".
- 81165737 dateCopyrighted "1981-".
- 81165794%2F%2Fr83 dateCopyrighted "1981-".
- 81166557%2F%2Fr943 dateCopyrighted "1981-".
- 81166706 dateCopyrighted "1981-".
- 81166765 dateCopyrighted "1981-".
- 81166825 dateCopyrighted "1981-".
- 81166905%2F%2Fr92 dateCopyrighted "1981-".
- 81166989 dateCopyrighted "1981-".
- 81167015 dateCopyrighted "1981-".
- 81167299 dateCopyrighted "1981-".
- 81167640 dateCopyrighted "1981-".
- 81168021%2F%2Fr83 dateCopyrighted "1981-".
- 81168208 dateCopyrighted "1981-".
- 81170244%2F%2Fr96 dateCopyrighted "1981-".
- 81170296%2F%2Fr94 dateCopyrighted "1981-".
- 81170537 dateCopyrighted "1981-".
- 81170540 dateCopyrighted "1981-".
- 81170788%2F%2Fr89 dateCopyrighted "1981-".
- 81171093%2F%2Fr90 dateCopyrighted "1981-".
- 81171133 dateCopyrighted "1981-".
- 81171487 dateCopyrighted "1981-".
- 81171488%2F%2Fr82 dateCopyrighted "1981-".
- 81171716 dateCopyrighted "1981-".
- 81171850 dateCopyrighted "1981-".
- 81171983%2F%2Fr91 dateCopyrighted "1981-".
- 81172480 dateCopyrighted "1981-".
- 81172620 dateCopyrighted "1981-".
- 81172635%2F%2Fr86 dateCopyrighted "1981-".
- 81172637 dateCopyrighted "1981-".
- 81173127 dateCopyrighted "1981-".
- 81173308 dateCopyrighted "1981-".
- 81173423%2F%2Fr90 dateCopyrighted "1981-".
- 81175320 dateCopyrighted "1981-".
- 81175569 dateCopyrighted "1981-".
- 81176065%2F%2Fr97 dateCopyrighted "1981-".
- 81176223%2F%2Fr922 dateCopyrighted "1981-".
- 81176398%2F%2Fr90 dateCopyrighted "1981-".
- 81176508%2F%2Fr842 dateCopyrighted "1981-".