Matches in Library of Congress for { ?s ?p 1981-. }
- 81118183 date "1981-".
- 81118838%2F%2Fr912 date "1981-".
- 81119339 date "1981-".
- 81119524 date "1981-".
- 81119618 date "1981-".
- 81120645%2F%2Fr942 date "1981-".
- 81121324 date "1981-".
- 81121977 date "1981-".
- 81122532 date "1981-".
- 81122749 date "1981-".
- 81123103 date "1981-".
- 81125375%2F%2Fr94 date "1981-".
- 81127541 date "1981-".
- 81127607 date "1981-".
- 81128068 date "1981-".
- 81128746 date "1981-".
- 81130081 date "1981-".
- 81130185 date "1981-".
- 81130402%2F%2Fr97 date "1981-".
- 81130479%2F%2Fr90 date "1981-".
- 81130726 date "1981-".
- 81130878 date "1981-".
- 81131392 date "1981-".
- 81131935%2F%2Fr92 date "1981-".
- 81131996 date "1981-".
- 81132117%2F%2Fr89 date "1981-".
- 81132956%2F%2Fr952 date "1981-".
- 81133722 date "1981-".
- 81134597 date "1981-".
- 81134782 date "1981-".
- 81135591 date "1981-".
- 81135700%2F%2Fr92 date "1981-".
- 81136210 date "1981-".
- 81136517 date "1981-".
- 81137887 date "1981-".
- 81138128%2F%2Fr91 date "1981-".
- 81138956%2F%2Fr96 date "1981-".
- 81139501%2F%2Fr91 date "1981-".
- 81142315 date "1981-".
- 81142909%2F%2Fr963 date "1981-".
- 81143197%2F%2Fr92 date "1981-".
- 81143707 date "1981-".
- 81144630%2F%2Fr94 date "1981-".
- 81145954 date "1981-".
- 81146126 date "1981-".
- 81146534 date "1981-".
- 81146969 date "1981-".
- 81147888%2F%2Fr92 date "1981-".
- 81149070 date "1981-".
- 81149986 date "1981-".
- 81150652 date "1981-".
- 81150811 date "1981-".
- 81152150 date "1981-".
- 81153738%2F%2Fr91 date "1981-".
- 81154308%2F%2Fr87 date "1981-".
- 81155273 date "1981-".
- 81155422 date "1981-".
- 81155671 date "1981-".
- 81156130 date "1981-".
- 81156252 date "1981-".
- 81156666 date "1981-".
- 81157034 date "1981-".
- 81157865 date "1981-".
- 81160410 date "1981-".
- 81160440%2F%2Fr852 date "1981-".
- 81160468%2F%2Fr95 date "1981-".
- 81160687 date "1981-".
- 81160970 date "1981-".
- 81161331 date "1981-".
- 81161379 date "1981-".
- 81161697 date "1981-".
- 81161796 date "1981-".
- 81161836 date "1981-".
- 81161952%2F%2Fr91 date "1981-".
- 81162127 date "1981-".
- 81163009 date "1981-".
- 81163434%2F%2Fr89 date "1981-".
- 81163744%2F%2Fr91 date "1981-".
- 81164192 date "1981-".
- 81164451 date "1981-".
- 81164541 date "1981-".
- 81164712 date "1981-".
- 81164836 date "1981-".
- 81165193 date "1981-".
- 81165737 date "1981-".
- 81165794%2F%2Fr83 date "1981-".
- 81166557%2F%2Fr943 date "1981-".
- 81166706 date "1981-".
- 81166765 date "1981-".
- 81166825 date "1981-".
- 81166905%2F%2Fr92 date "1981-".
- 81166989 date "1981-".
- 81167015 date "1981-".
- 81167299 date "1981-".
- 81167640 date "1981-".
- 81168021%2F%2Fr83 date "1981-".
- 81168208 date "1981-".
- 81170244%2F%2Fr96 date "1981-".
- 81170296%2F%2Fr94 date "1981-".
- 81170537 date "1981-".