Matches in Library of Congress for { ?s ?p 1981. }
- 80027652 date "1981".
- 80027654 date "1981".
- 80027655 date "1981".
- 80027656 date "1981".
- 80027657 date "1981".
- 80027658 date "1981".
- 80027659%2FMN date "1981".
- 80027660 date "1981".
- 80027661 date "1981".
- 80027662 date "1981".
- 80027663 date "1981".
- 80027665%2F%2Fr883 date "1981".
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- 80027669 date "1981".
- 80027670 date "1981".
- 80027672 date "1981".
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- 80027675 date "1981".
- 80027676 date "1981".
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- 80027681 date "1981".
- 80027682 date "1981".
- 80027683%2F%2Fr952 date "1981".
- 80027684 date "1981".
- 80027685 date "1981".
- 80027686 date "1981".
- 80027687%2F%2Fr872 date "1981".
- 80027688 date "1981".
- 80027689 date "1981".
- 80027690 date "1981".
- 80027693%2F%2Fr87 date "1981".
- 80027694 date "1981".
- 80027695%2F%2Fr83 date "1981".
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- 80027700 date "1981".
- 80027702%2F%2Fr84 date "1981".
- 80027703 date "1981".
- 80027704 date "1981".
- 80027705 date "1981".
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- 80027711 date "1981".
- 80027712%2F%2Fr84 date "1981".
- 80027713 date "1981".
- 80027716 date "1981".
- 80027717%2F%2Fr94 date "1981".
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- 80027719%2F%2Fr932 date "1981".
- 80027720%2F%2Fr85 date "1981".
- 80027721 date "1981".
- 80027722 date "1981".
- 80027723 date "1981".
- 80027725 date "1981".
- 80027726 date "1981".
- 80027727 date "1981".
- 80027728 date "1981".
- 80027729 date "1981".
- 80027730 date "1981".
- 80027732 date "1981".
- 80027733 date "1981".
- 80027734%2F%2Fr88 date "1981".
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- 80027737 date "1981".
- 80027738 date "1981".
- 80027739 date "1981".
- 80027740 date "1981".
- 80027741 date "1981".
- 80027742 date "1981".
- 80027743 date "1981".
- 80027744 date "1981".
- 80027745%2F%2Fr96 date "1981".
- 80027746 date "1981".
- 80027747 date "1981".
- 80027749%2F%2Fr90 date "1981".
- 80027750%2F%2Fr902 date "1981".
- 80027751%2F%2Fr903 date "1981".
- 80027752 date "1981".
- 80027753 date "1981".
- 80027754%2F%2Fr83 date "1981".
- 80027755 date "1981".
- 80027756 date "1981".
- 80027757%2F%2Fr965 date "1981".
- 80027758 date "1981".
- 80027759%2F%2Fr982 date "1981".
- 80027760 date "1981".
- 80027761%2F%2Fr852 date "1981".
- 80027762%2F%2Fr932 date "1981".
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- 80027766 date "1981".
- 80027767 date "1981".
- 80027770 date "1981".
- 80027771%2F%2Fr92 date "1981".
- 80027772 date "1981".
- 80027773%2F%2Fr932 date "1981".
- 80027774 date "1981".
- 80027775 date "1981".