Matches in Library of Congress for { ?s ?p 1981. }
- 80002381 date "1981".
- 80002382 date "1981".
- 80002383 date "1981".
- 80002384 date "1981".
- 80002385%2F%2Fr952 date "1981".
- 80002386 date "1981".
- 80002387 date "1981".
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- 80002389 date "1981".
- 80002390 date "1981".
- 80002392 date "1981".
- 80002393 date "1981".
- 80002394 date "1981".
- 80002395 date "1981".
- 80002403 date "1981".
- 80002412 date "1981".
- 80002426%2F%2Fr93 date "1981".
- 80002429 date "1981".
- 80002430 date "1981".
- 80002435%2F%2Fr924 date "1981".
- 80002438%2F%2Fr94 date "1981".
- 80002441 date "1981".
- 80002442 date "1981".
- 80002444 date "1981".
- 80002447 date "1981".
- 80002448 date "1981".
- 80002451 date "1981".
- 80002452 date "1981".
- 80002453 date "1981".
- 80002455 date "1981".
- 80002456 date "1981".
- 80002457 date "1981".
- 80002458 date "1981".
- 80002460 date "1981".
- 80002462 date "1981".
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- 80002464 date "1981".
- 80002551 date "1981".
- 80002553 date "1981".
- 80002554 date "1981".
- 80002555%2F%2Fr83 date "1981".
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- 80002557%2F%2Fr82 date "1981".
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- 80002561 date "1981".
- 80002563 date "1981".
- 80002616 date "1981".
- 80002617 date "1981".
- 80002618 date "1981".
- 80002624%2F%2Fr84 date "1981".
- 80002625 date "1981".
- 80002627%2F%2Fr892 date "1981".
- 80002630%2F%2Fr93 date "1981".
- 80002631 date "1981".
- 80002632%2F%2Fr952 date "1981".
- 80002633 date "1981".
- 80002638 date "1981".
- 80002639 date "1981".
- 80002640 date "1981".
- 80002641 date "1981".
- 80002642 date "1981".
- 80002643%2F%2Fr913 date "1981".
- 80002644%2F%2Fr95 date "1981".
- 80002646%2F%2Fr922 date "1981".
- 80002647%2F%2Fr94 date "1981".
- 80002648 date "1981".
- 80002649 date "1981".
- 80002650%2F%2Fr85 date "1981".
- 80002651 date "1981".
- 80002652%2F%2Fr98 date "1981".
- 80002653%2F%2Fr973 date "1981".
- 80002654 date "1981".
- 80002655%2F%2Fr972 date "1981".
- 80002657%2F%2Fr963 date "1981".
- 80002658 date "1981".
- 80002660 date "1981".
- 80002661 date "1981".
- 80002662 date "1981".
- 80002663%2F%2Fr953 date "1981".
- 80002667 date "1981".
- 80002668 date "1981".
- 80002669%2F%2Fr952 date "1981".
- 80002670 date "1981".
- 80002671 date "1981".
- 80002672 date "1981".
- 80002673 date "1981".
- 80002674 date "1981".
- 80002687 date "1981".
- 80002688 date "1981".
- 80002689 date "1981".
- 80002690 date "1981".
- 80002691 date "1981".
- 80002692 date "1981".
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- 80002699%2F%2Fr892 date "1981".
- 80002701 date "1981".
- 80002702 date "1981".
- 80002703 date "1981".
- 80002704 date "1981".