Matches in Library of Congress for { ?s ?p 1981. }
- 80039590 date "1981".
- 80039591 date "1981".
- 80039592 date "1981".
- 80039593 date "1981".
- 80039594 date "1981".
- 80039597 date "1981".
- 80039598%2F%2Fr965 date "1981".
- 80039599%2F%2Fr98 date "1981".
- 80039600 date "1981".
- 80039602%2F%2Fr91 date "1981".
- 80039603 date "1981".
- 80039604%2FMN date "1981".
- 80039605 date "1981".
- 80039606 date "1981".
- 80039607 date "1981".
- 80039608%2F%2Fr923 date "1981".
- 80039609 date "1981".
- 80039610%2F%2Fr82 date "1981".
- 80039611%2F%2Fr952 date "1981".
- 80039612 date "1981".
- 80039613%2F%2Fr943 date "1981".
- 80039614 date "1981".
- 80039616 date "1981".
- 80039617%2F%2Fr842 date "1981".
- 80039618%2F%2Fr86 date "1981".
- 80039619 date "1981".
- 80039621 date "1981".
- 80039622 date "1981".
- 80039625 date "1981".
- 80039626 date "1981".
- 80039627 date "1981".
- 80039628 date "1981".
- 80039629 date "1981".
- 80039630 date "1981".
- 80039632 date "1981".
- 80039633 date "1981".
- 80039634 date "1981".
- 80039635%2F%2Fr85 date "1981".
- 80039636 date "1981".
- 80039637%2F%2Fr97 date "1981".
- 80039640 date "1981".
- 80039641 date "1981".
- 80039642 date "1981".
- 80039644 date "1981".
- 80039645 date "1981".
- 80039646%2F%2Fr892 date "1981".
- 80039647 date "1981".
- 80039648%2F%2Fr923 date "1981".
- 80039649%2F%2Fr85 date "1981".
- 80039650 date "1981".
- 80039651 date "1981".
- 80039652%2F%2Fr983 date "1981".
- 80039654 date "1981".
- 80039658 date "1981".
- 80039659 date "1981".
- 80039661%2F%2Fr91 date "1981".
- 80039663%2F%2Fr88 date "1981".
- 80039665%2F%2Fr89 date "1981".
- 80039667 date "1981".
- 80039668%2F%2Fr92 date "1981".
- 80039670 date "1981".
- 80039671 date "1981".
- 80039672 date "1981".
- 80039673 date "1981".
- 80039674 date "1981".
- 80039675 date "1981".
- 80039676 date "1981".
- 80039677 date "1981".
- 80039678 date "1981".
- 80039679 date "1981".
- 80039680 date "1981".
- 80039681 date "1981".
- 80039682 date "1981".
- 80039683 date "1981".
- 80039684%2F%2Fr943 date "1981".
- 80039685 date "1981".
- 80039686 date "1981".
- 80039687%2F%2Fr924 date "1981".
- 80039688 date "1981".
- 80039689%2F%2Fr82 date "1981".
- 80039690 date "1981".
- 80039691%2F%2Fr95 date "1981".
- 80039692 date "1981".
- 80039693 date "1981".
- 80039694%2F%2Fr93 date "1981".
- 80039695 date "1981".
- 80039696 date "1981".
- 80039697%2F%2Fr92 date "1981".
- 80039698 date "1981".
- 80039699 date "1981".
- 80039700%2F%2Fr903 date "1981".
- 80039701%2F%2Fr82 date "1981".
- 80039703 date "1981".
- 80039704%2F%2Fr86 date "1981".
- 80039705 date "1981".
- 80039709 date "1981".
- 80039710 date "1981".
- 80039711 date "1981".
- 80039713%2F%2Fr92 date "1981".
- 80039714 date "1981".