Matches in Library of Congress for { ?s ?p 1981. }
- 80015247%2F%2Fr86 date "1981".
- 80015249%2F%2Fr88 date "1981".
- 80015251 date "1981".
- 80015255%2F%2Fr963 date "1981".
- 80015266 date "1981".
- 80015269 date "1981".
- 80015271 date "1981".
- 80015276 date "1981".
- 80015297 date "1981".
- 80015299 date "1981".
- 80015306%2F%2Fr864 date "1981".
- 80015311 date "1981".
- 80015313%2F%2Fr83 date "1981".
- 80015319%2F%2Fr95 date "1981".
- 80015324 date "1981".
- 80015326 date "1981".
- 80015327 date "1981".
- 80015335 date "1981".
- 80015336 date "1981".
- 80015339 date "1981".
- 80015341 date "1981".
- 80015346 date "1981".
- 80015347 date "1981".
- 80015349 date "1981".
- 80015351%2F%2Fr82 date "1981".
- 80015352%2F%2Fr892 date "1981".
- 80015356 date "1981".
- 80015362 date "1981".
- 80015375%2F%2Fr83 date "1981".
- 80015378%2F%2Fr972 date "1981".
- 80015382%2F%2Fr83 date "1981".
- 80015391 date "1981".
- 80015392%2F%2Fr904 date "1981".
- 80015394 date "1981".
- 80015395%2F%2Fr83 date "1981".
- 80015398%2F%2Fr85 date "1981".
- 80015401 date "1981".
- 80015405%2F%2Fr85 date "1981".
- 80015406 date "1981".
- 80015410 date "1981".
- 80015412 date "1981".
- 80015425 date "1981".
- 80015436 date "1981".
- 80015445 date "1981".
- 80015450 date "1981".
- 80015453%2F%2Fr892 date "1981".
- 80015458 date "1981".
- 80015471%2F%2Fr84 date "1981".
- 80015476 date "1981".
- 80015478%2F%2Fr94 date "1981".
- 80015480 date "1981".
- 80015483%2F%2Fr86 date "1981".
- 80015487 date "1981".
- 80015494 date "1981".
- 80015500%2F%2Fr893 date "1981".
- 80015504%2F%2Fr85 date "1981".
- 80015506 date "1981".
- 80015511 date "1981".
- 80015520 date "1981".
- 80015528 date "1981".
- 80015531%2F%2Fr953 date "1981".
- 80015541 date "1981".
- 80015546%2F%2Fr92 date "1981".
- 80015555 date "1981".
- 80015558 date "1981".
- 80015561 date "1981".
- 80015563 date "1981".
- 80015568 date "1981".
- 80015570 date "1981".
- 80015573%2F%2Fr83 date "1981".
- 80015579%2F%2Fr832 date "1981".
- 80015584 date "1981".
- 80015599 date "1981".
- 80015603 date "1981".
- 80015604%2F%2Fr982 date "1981".
- 80015605%2F%2Fr902 date "1981".
- 80015609 date "1981".
- 80015610 date "1981".
- 80015614 date "1981".
- 80015615 date "1981".
- 80015616 date "1981".
- 80015622%2F%2Fr94 date "1981".
- 80015623%2F%2Fr83 date "1981".
- 80015625 date "1981".
- 80015626 date "1981".
- 80015627 date "1981".
- 80015631 date "1981".
- 80015634 date "1981".
- 80015635%2F%2Fr902 date "1981".
- 80015637 date "1981".
- 80015651 date "1981".
- 80015664 date "1981".
- 80015667 date "1981".
- 80015668 date "1981".
- 80015669 date "1981".
- 80015670 date "1981".
- 80015671 date "1981".
- 80015673 date "1981".
- 80015680%2F%2Fr973 date "1981".
- 80015682%2F%2Fr84 date "1981".