Matches in Library of Congress for { ?s ?p 1981. }
- 80022168 date "1981".
- 80022170 date "1981".
- 80022173%2F%2Fr89 date "1981".
- 80022175 date "1981".
- 80022176 date "1981".
- 80022178%2F%2Fr94 date "1981".
- 80022179%2F%2Fr853 date "1981".
- 80022180%2F%2Fr87 date "1981".
- 80022181%2F%2Fr892 date "1981".
- 80022182%2F%2Fr842 date "1981".
- 80022183%2F%2Fr82 date "1981".
- 80022184%2F%2Fr84 date "1981".
- 80022185%2F%2Fr962 date "1981".
- 80022188 date "1981".
- 80022190 date "1981".
- 80022192 date "1981".
- 80022194 date "1981".
- 80022197 date "1981".
- 80022198 date "1981".
- 80022199 date "1981".
- 80022200 date "1981".
- 80022203 date "1981".
- 80022204%2F%2Fr98 date "1981".
- 80022206%2F%2Fr86 date "1981".
- 80022207 date "1981".
- 80022208%2F%2Fr86 date "1981".
- 80022211%2F%2Fr82 date "1981".
- 80022212%2F%2Fr982 date "1981".
- 80022213 date "1981".
- 80022214 date "1981".
- 80022215 date "1981".
- 80022217%2F%2Fr92 date "1981".
- 80022218%2F%2Fr902 date "1981".
- 80022219 date "1981".
- 80022220%2F%2Fr85 date "1981".
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- 80022225 date "1981".
- 80022228 date "1981".
- 80022229 date "1981".
- 80022230 date "1981".
- 80022233 date "1981".
- 80022234 date "1981".
- 80022236%2F%2Fr89 date "1981".
- 80022237 date "1981".
- 80022238 date "1981".
- 80022239 date "1981".
- 80022242 date "1981".
- 80022243 date "1981".
- 80022244%2F%2Fr854 date "1981".
- 80022245 date "1981".
- 80022246 date "1981".
- 80022248%2F%2Fr93 date "1981".
- 80022249 date "1981".
- 80022250 date "1981".
- 80022251 date "1981".
- 80022252 date "1981".
- 80022253 date "1981".
- 80022255 date "1981".
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- 80022258 date "1981".
- 80022260%2F%2Fr923 date "1981".
- 80022261 date "1981".
- 80022262 date "1981".
- 80022263 date "1981".
- 80022264 date "1981".
- 80022265 date "1981".
- 80022267 date "1981".
- 80022270 date "1981".
- 80022272 date "1981".
- 80022273%2F%2Fr88 date "1981".
- 80022274%2F%2Fr84 date "1981".
- 80022275 date "1981".
- 80022276 date "1981".
- 80022277 date "1981".
- 80022278 date "1981".
- 80022279%2F%2Fr923 date "1981".
- 80022280%2F%2Fr882 date "1981".
- 80022282%2F%2Fr84 date "1981".
- 80022283 date "1981".
- 80022284%2F%2Fr842 date "1981".
- 80022286 date "1981".
- 80022287 date "1981".
- 80022288 date "1981".
- 80022290 date "1981".
- 80022292%2F%2Fr85 date "1981".
- 80022294%2F%2Fr982 date "1981".
- 80022295 date "1981".
- 80022296%2F%2Fr87 date "1981".
- 80022297%2F%2Fr85 date "1981".
- 80022303%2F%2Fr942 date "1981".
- 80022304 date "1981".
- 80022307 date "1981".
- 80022308%2F%2Fr923 date "1981".
- 80022309%2F%2Fr93 date "1981".
- 80022310 date "1981".
- 80022312 date "1981".
- 80022313 date "1981".
- 80022318 date "1981".
- 80022319 date "1981".