Matches in Library of Congress for { ?s ?p 1981. }
- 80001331 date "1981".
- 80001332 date "1981".
- 80001333%2F%2Fr93 date "1981".
- 80001334 date "1981".
- 80001338%2F%2Fr852 date "1981".
- 80001339%2F%2Fr85 date "1981".
- 80001340 date "1981".
- 80001341 date "1981".
- 80001343 date "1981".
- 80001344 date "1981".
- 80001346%2F%2Fr85 date "1981".
- 80001347 date "1981".
- 80001348 date "1981".
- 80001349 date "1981".
- 80001350%2F%2Fr94 date "1981".
- 80001351 date "1981".
- 80001355 date "1981".
- 80001364 date "1981".
- 80001409 date "1981".
- 80001417 date "1981".
- 80001424 date "1981".
- 80001425 date "1981".
- 80001429 date "1981".
- 80001442 date "1981".
- 80001443%2F%2Fr83 date "1981".
- 80001445%2F%2Fr853 date "1981".
- 80001453%2F%2Fr85 date "1981".
- 80001545 date "1981".
- 80001642 date "1981".
- 80001643 date "1981".
- 80001644 date "1981".
- 80001645%2F%2Fr85 date "1981".
- 80001647 date "1981".
- 80001648 date "1981".
- 80001649 date "1981".
- 80001651 date "1981".
- 80001654%2F%2Fr85 date "1981".
- 80001658%2F%2Fr95 date "1981".
- 80001659 date "1981".
- 80001660 date "1981".
- 80001661 date "1981".
- 80001663 date "1981".
- 80001664 date "1981".
- 80001666 date "1981".
- 80001668%2F%2Fr964 date "1981".
- 80001670%2F%2Fr86 date "1981".
- 80001676 date "1981".
- 80001677%2F%2Fr98 date "1981".
- 80001679 date "1981".
- 80001683%2F%2Fr852 date "1981".
- 80001684%2F%2Fr964 date "1981".
- 80001685%2F%2Fr863 date "1981".
- 80001687%2F%2Fr88 date "1981".
- 80001689 date "1981".
- 80001690 date "1981".
- 80001691 date "1981".
- 80001692 date "1981".
- 80001695%2F%2Fr83 date "1981".
- 80001698 date "1981".
- 80001699 date "1981".
- 80001702 date "1981".
- 80001703%2F%2Fr84 date "1981".
- 80001704 date "1981".
- 80001705%2F%2Fr892 date "1981".
- 80001706 date "1981".
- 80001707%2F%2Fr84 date "1981".
- 80001708 date "1981".
- 80001709%2F%2Fr982 date "1981".
- 80001710%2F%2Fr88 date "1981".
- 80001711 date "1981".
- 80001712 date "1981".
- 80001713 date "1981".
- 80001714 date "1981".
- 80001721 date "1981".
- 80001722%2F%2Fr862 date "1981".
- 80001723%2F%2Fr944 date "1981".
- 80001725 date "1981".
- 80001726 date "1981".
- 80001729%2F%2Fr902 date "1981".
- 80001730%2F%2Fr862 date "1981".
- 80001762 date "1981".
- 80001765 date "1981".
- 80001766 date "1981".
- 80001769%2F%2Fr943 date "1981".
- 80001770%2F%2Fr942 date "1981".
- 80001772 date "1981".
- 80001773%2F%2Fr98 date "1981".
- 80001774 date "1981".
- 80001778 date "1981".
- 80001779%2F%2Fr872 date "1981".
- 80001780 date "1981".
- 80001781 date "1981".
- 80001782 date "1981".
- 80001783 date "1981".
- 80001787 date "1981".
- 80001789 date "1981".
- 80001790 date "1981".
- 80001791%2F%2Fr842 date "1981".
- 80001792%2F%2Fr92 date "1981".
- 80001793%2F%2Fr87 date "1981".