Matches in Library of Congress for { ?s ?p 1981. }
- 80027406 date "1981".
- 80027407%2F%2Fr92 date "1981".
- 80027408%2F%2Fr86 date "1981".
- 80027409 date "1981".
- 80027410 date "1981".
- 80027411 date "1981".
- 80027412%2F%2Fr97 date "1981".
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- 80027414%2F%2Fr89 date "1981".
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- 80027417 date "1981".
- 80027418%2F%2Fr90 date "1981".
- 80027419 date "1981".
- 80027421 date "1981".
- 80027422 date "1981".
- 80027423 date "1981".
- 80027424 date "1981".
- 80027425 date "1981".
- 80027426 date "1981".
- 80027427 date "1981".
- 80027429 date "1981".
- 80027431%2F%2Fr83 date "1981".
- 80027432%2F%2Fr84 date "1981".
- 80027433 date "1981".
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- 80027437 date "1981".
- 80027438 date "1981".
- 80027440%2F%2Fr82 date "1981".
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- 80027448%2F%2Fr94 date "1981".
- 80027449 date "1981".
- 80027450 date "1981".
- 80027451%2F%2Fr89 date "1981".
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- 80027458 date "1981".
- 80027459 date "1981".
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- 80027461 date "1981".
- 80027462 date "1981".
- 80027463 date "1981".
- 80027464 date "1981".
- 80027465%2F%2Fr85 date "1981".
- 80027466 date "1981".
- 80027467 date "1981".
- 80027468 date "1981".
- 80027469 date "1981".
- 80027470 date "1981".
- 80027471 date "1981".
- 80027473 date "1981".
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- 80027475 date "1981".
- 80027476 date "1981".
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- 80027483 date "1981".
- 80027484 date "1981".
- 80027485 date "1981".
- 80027486 date "1981".
- 80027487%2F%2Fr942 date "1981".
- 80027488 date "1981".
- 80027489 date "1981".
- 80027490 date "1981".
- 80027491%2F%2Fr82 date "1981".
- 80027492 date "1981".
- 80027493 date "1981".
- 80027494%2F%2Fr85 date "1981".
- 80027495 date "1981".
- 80027496 date "1981".
- 80027497 date "1981".
- 80027498 date "1981".
- 80027499 date "1981".
- 80027500 date "1981".
- 80027501%2F%2Fr953 date "1981".
- 80027502 date "1981".
- 80027503 date "1981".
- 80027504 date "1981".
- 80027505 date "1981".
- 80027506 date "1981".
- 80027507 date "1981".
- 80027508 date "1981".
- 80027509 date "1981".
- 80027510%2F%2Fr83 date "1981".
- 80027511%2FMN%2Fr902 date "1981".
- 80027512%2F%2Fr872 date "1981".
- 80027513%2F%2Fr92 date "1981".
- 80027514 date "1981".
- 80027515 date "1981".
- 80027516 date "1981".
- 80027517 date "1981".
- 80027518%2F%2Fr90 date "1981".