Matches in Library of Congress for { ?s ?p 1981. }
- 80021293 date "1981".
- 80021294 date "1981".
- 80021295 date "1981".
- 80021296%2F%2Fr86 date "1981".
- 80021298%2F%2Fr84 date "1981".
- 80021303 date "1981".
- 80021304 date "1981".
- 80021309 date "1981".
- 80021310 date "1981".
- 80021312%2F%2Fr892 date "1981".
- 80021313%2F%2Fr82 date "1981".
- 80021314%2F%2Fr83 date "1981".
- 80021316 date "1981".
- 80021320 date "1981".
- 80021321 date "1981".
- 80021327%2F%2Fr922 date "1981".
- 80021331 date "1981".
- 80021332 date "1981".
- 80021333 date "1981".
- 80021334 date "1981".
- 80021335 date "1981".
- 80021337%2F%2Fr82 date "1981".
- 80021338 date "1981".
- 80021339%2F%2Fr85 date "1981".
- 80021340%2F%2Fr88 date "1981".
- 80021341 date "1981".
- 80021342 date "1981".
- 80021343%2F%2Fr89 date "1981".
- 80021345 date "1981".
- 80021347 date "1981".
- 80021348 date "1981".
- 80021349%2F%2Fr92 date "1981".
- 80021350%2F%2Fr89 date "1981".
- 80021351 date "1981".
- 80021352%2F%2Fr863 date "1981".
- 80021353 date "1981".
- 80021354 date "1981".
- 80021355 date "1981".
- 80021356 date "1981".
- 80021357 date "1981".
- 80021359 date "1981".
- 80021361%2F%2Fr95 date "1981".
- 80021362%2F%2Fr93 date "1981".
- 80021364 date "1981".
- 80021365 date "1981".
- 80021366 date "1981".
- 80021367%2F%2Fr83 date "1981".
- 80021370%2F%2Fr92 date "1981".
- 80021371%2F%2Fr92 date "1981".
- 80021372%2F%2Fr91 date "1981".
- 80021373 date "1981".
- 80021375 date "1981".
- 80021376 date "1981".
- 80021377 date "1981".
- 80021380 date "1981".
- 80021381 date "1981".
- 80021382 date "1981".
- 80021384%2F%2Fr84 date "1981".
- 80021385 date "1981".
- 80021386 date "1981".
- 80021387 date "1981".
- 80021389 date "1981".
- 80021390%2F%2Fr82 date "1981".
- 80021392 date "1981".
- 80021395%2F%2Fr95 date "1981".
- 80021396%2F%2Fr983 date "1981".
- 80021397 date "1981".
- 80021398%2F%2Fr92 date "1981".
- 80021399 date "1981".
- 80021402 date "1981".
- 80021404 date "1981".
- 80021405 date "1981".
- 80021408 date "1981".
- 80021410%2F%2Fr85 date "1981".
- 80021411 date "1981".
- 80021412%2F%2Fr90 date "1981".
- 80021413 date "1981".
- 80021414%2F%2Fr85 date "1981".
- 80021417%2F%2Fr972 date "1981".
- 80021418 date "1981".
- 80021420 date "1981".
- 80021421%2F%2Fr952 date "1981".
- 80021423%2F%2Fr84 date "1981".
- 80021428 date "1981".
- 80021429%2F%2Fr92 date "1981".
- 80021430 date "1981".
- 80021432 date "1981".
- 80021434 date "1981".
- 80021435 date "1981".
- 80021438 date "1981".
- 80021439 date "1981".
- 80021440 date "1981".
- 80021441 date "1981".
- 80021442 date "1981".
- 80021443%2F%2Fr86 date "1981".
- 80021444 date "1981".
- 80021445 date "1981".
- 80021447 date "1981".
- 80021448 date "1981".
- 80021449 date "1981".