Matches in Library of Congress for { ?s ?p 1981. }
- 80029440 date "1981".
- 80029441 date "1981".
- 80029444%2F%2Fr85 date "1981".
- 80029446 date "1981".
- 80029447 date "1981".
- 80029449 date "1981".
- 80029450 date "1981".
- 80029451 date "1981".
- 80029452 date "1981".
- 80029453 date "1981".
- 80029454 date "1981".
- 80029455 date "1981".
- 80029456 date "1981".
- 80029457%2F%2Fr962 date "1981".
- 80029458 date "1981".
- 80029459 date "1981".
- 80029460 date "1981".
- 80029461 date "1981".
- 80029462 date "1981".
- 80029464%2F%2Fr942 date "1981".
- 80029465 date "1981".
- 80029466 date "1981".
- 80029467 date "1981".
- 80029468 date "1981".
- 80029469 date "1981".
- 80029470 date "1981".
- 80029471 date "1981".
- 80029472 date "1981".
- 80029473 date "1981".
- 80029474%2F%2Fr842 date "1981".
- 80029475 date "1981".
- 80029476 date "1981".
- 80029477 date "1981".
- 80029478 date "1981".
- 80029479%2F%2Fr83 date "1981".
- 80029481 date "1981".
- 80029482 date "1981".
- 80029483 date "1981".
- 80029484 date "1981".
- 80029485 date "1981".
- 80029486%2F%2Fr935 date "1981".
- 80029487 date "1981".
- 80029488 date "1981".
- 80029491 date "1981".
- 80029492 date "1981".
- 80029494 date "1981".
- 80029495%2F%2Fr96 date "1981".
- 80029496%2F%2Fr84 date "1981".
- 80029497 date "1981".
- 80029498 date "1981".
- 80029499 date "1981".
- 80029500%2F%2Fr88 date "1981".
- 80029501 date "1981".
- 80029502 date "1981".
- 80029503 date "1981".
- 80029504%2F%2Fr84 date "1981".
- 80029505 date "1981".
- 80029507 date "1981".
- 80029508 date "1981".
- 80029509 date "1981".
- 80029511 date "1981".
- 80029513%2F%2Fr956 date "1981".
- 80029515 date "1981".
- 80029517 date "1981".
- 80029518 date "1981".
- 80029519%2F%2Fr942 date "1981".
- 80029520%2F%2Fr94 date "1981".
- 80029521 date "1981".
- 80029522%2F%2Fr962 date "1981".
- 80029523 date "1981".
- 80029524 date "1981".
- 80029525 date "1981".
- 80029526 date "1981".
- 80029527 date "1981".
- 80029528 date "1981".
- 80029529 date "1981".
- 80029530 date "1981".
- 80029531 date "1981".
- 80029532 date "1981".
- 80029533 date "1981".
- 80029534%2F%2Fr83 date "1981".
- 80029535 date "1981".
- 80029536%2F%2Fr93 date "1981".
- 80029537 date "1981".
- 80029538 date "1981".
- 80029539 date "1981".
- 80029540%2F%2Fr94 date "1981".
- 80029542 date "1981".
- 80029543 date "1981".
- 80029544 date "1981".
- 80029545 date "1981".
- 80029546 date "1981".
- 80029548 date "1981".
- 80029549 date "1981".
- 80029550 date "1981".
- 80029551%2F%2Fr89 date "1981".
- 80029552 date "1981".
- 80029553 date "1981".
- 80029554%2F%2Fr94 date "1981".
- 80029555 date "1981".