Matches in Library of Congress for { ?s ?p 1981. }
- 80002084 date "1981".
- 80002086 date "1981".
- 80002087 date "1981".
- 80002088 date "1981".
- 80002089 date "1981".
- 80002090 date "1981".
- 80002091 date "1981".
- 80002092%2F%2Fr83 date "1981".
- 80002093 date "1981".
- 80002094 date "1981".
- 80002095 date "1981".
- 80002096 date "1981".
- 80002097 date "1981".
- 80002098 date "1981".
- 80002099%2F%2Fr96 date "1981".
- 80002101 date "1981".
- 80002102 date "1981".
- 80002103 date "1981".
- 80002104 date "1981".
- 80002105%2F%2Fr90 date "1981".
- 80002106 date "1981".
- 80002107 date "1981".
- 80002108%2F%2Fr84 date "1981".
- 80002109 date "1981".
- 80002110 date "1981".
- 80002111 date "1981".
- 80002112 date "1981".
- 80002113 date "1981".
- 80002114 date "1981".
- 80002115 date "1981".
- 80002116%2F%2Fr922 date "1981".
- 80002117%2F%2Fr92 date "1981".
- 80002119 date "1981".
- 80002122 date "1981".
- 80002123 date "1981".
- 80002124 date "1981".
- 80002125%2F%2Fr92 date "1981".
- 80002127 date "1981".
- 80002128%2F%2Fr84 date "1981".
- 80002129%2F%2Fr83 date "1981".
- 80002130 date "1981".
- 80002131 date "1981".
- 80002132 date "1981".
- 80002134 date "1981".
- 80002137%2F%2Fr85 date "1981".
- 80002138 date "1981".
- 80002139%2F%2Fr85 date "1981".
- 80002140%2F%2Fr942 date "1981".
- 80002141 date "1981".
- 80002143%2F%2Fr852 date "1981".
- 80002144%2F%2Fr932 date "1981".
- 80002147%2F%2Fr85 date "1981".
- 80002148%2F%2Fr85 date "1981".
- 80002150 date "1981".
- 80002151%2F%2Fr86 date "1981".
- 80002152 date "1981".
- 80002153 date "1981".
- 80002154 date "1981".
- 80002155%2F%2Fr83 date "1981".
- 80002242 date "1981".
- 80002243 date "1981".
- 80002244 date "1981".
- 80002246 date "1981".
- 80002248%2F%2Fr95 date "1981".
- 80002250 date "1981".
- 80002251 date "1981".
- 80002313%2F%2Fr94 date "1981".
- 80002314 date "1981".
- 80002315 date "1981".
- 80002316 date "1981".
- 80002317%2F%2Fr83 date "1981".
- 80002319 date "1981".
- 80002320%2F%2Fr93 date "1981".
- 80002322%2F%2Fr95 date "1981".
- 80002324 date "1981".
- 80002325 date "1981".
- 80002328 date "1981".
- 80002329 date "1981".
- 80002331 date "1981".
- 80002332%2F%2Fr942 date "1981".
- 80002335 date "1981".
- 80002336 date "1981".
- 80002337%2F%2Fr882 date "1981".
- 80002338 date "1981".
- 80002339 date "1981".
- 80002340 date "1981".
- 80002342 date "1981".
- 80002344 date "1981".
- 80002345 date "1981".
- 80002348%2F%2Fr95 date "1981".
- 80002349 date "1981".
- 80002350 date "1981".
- 80002371 date "1981".
- 80002372 date "1981".
- 80002373 date "1981".
- 80002374 date "1981".
- 80002377 date "1981".
- 80002378 date "1981".
- 80002379 date "1981".
- 80002380 date "1981".