Matches in Library of Congress for { ?s ?p 1981. }
- 80005371 date "1981".
- 80005372 date "1981".
- 80005373 date "1981".
- 80005374 date "1981".
- 80005375%2F%2Fr872 date "1981".
- 80005389%2F%2Fr96 date "1981".
- 80005392 date "1981".
- 80005402%2F%2Fr93 date "1981".
- 80005405%2F%2Fr832 date "1981".
- 80005408 date "1981".
- 80005411%2F%2Fr85 date "1981".
- 80005435%2F%2Fr83 date "1981".
- 80005442 date "1981".
- 80005444%2F%2Fr873 date "1981".
- 80005447 date "1981".
- 80005448%2F%2Fr95 date "1981".
- 80005450 date "1981".
- 80005453%2F%2Fr892 date "1981".
- 80005454%2F%2Fr942 date "1981".
- 80005456 date "1981".
- 80005458 date "1981".
- 80005459 date "1981".
- 80005465 date "1981".
- 80005489%2F%2Fr86 date "1981".
- 80005490%2F%2Fr89 date "1981".
- 80005493%2FMN date "1981".
- 80005494 date "1981".
- 80005503 date "1981".
- 80005505%2F%2Fr83 date "1981".
- 80005515 date "1981".
- 80005518%2F%2Fr934 date "1981".
- 80005534 date "1981".
- 80005538%2F%2Fr92 date "1981".
- 80005542%2F%2Fr82 date "1981".
- 80005543 date "1981".
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- 80005586 date "1981".
- 80005589 date "1981".
- 80005597 date "1981".
- 80005612 date "1981".
- 80005624 date "1981".
- 80005632%2F%2Fr93 date "1981".
- 80005636 date "1981".
- 80005638%2FMN date "1981".
- 80005639 date "1981".
- 80005641 date "1981".
- 80005642 date "1981".
- 80005651 date "1981".
- 80005652 date "1981".
- 80005653 date "1981".
- 80005658 date "1981".
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- 80005682%2F%2Fr86 date "1981".
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- 80005685%2F%2Fr88 date "1981".
- 80005690 date "1981".
- 80005691 date "1981".
- 80005698%2F%2Fr942 date "1981".
- 80005700%2F%2Fr952 date "1981".
- 80005712 date "1981".
- 80005716 date "1981".
- 80005717 date "1981".
- 80005718 date "1981".
- 80005730%2F%2Fr902 date "1981".
- 80005731 date "1981".
- 80005734%2F%2Fr88 date "1981".
- 80005735%2F%2Fr93 date "1981".
- 80005737 date "1981".
- 80005749 date "1981".
- 80005751 date "1981".
- 80005752 date "1981".
- 80005753 date "1981".
- 80005754 date "1981".
- 80005764%2F%2Fr92 date "1981".
- 80005765%2F%2Fr85 date "1981".
- 80005766 date "1981".
- 80005774 date "1981".
- 80005776 date "1981".
- 80005778 date "1981".
- 80005780 date "1981".
- 80005781 date "1981".
- 80005782 date "1981".
- 80005783%2F%2Fr882 date "1981".
- 80005792%2F%2Fr90 date "1981".
- 80005793%2F%2Fr903 date "1981".
- 80005794%2FMN date "1981".
- 80005796%2F%2Fr89 date "1981".
- 80005797 date "1981".
- 80005805%2F%2Fr97 date "1981".
- 80005811%2F%2Fr87 date "1981".