Matches in Library of Congress for { ?s ?p 1981. }
- 80084176 date "1981".
- 80084180 date "1981".
- 80084181 date "1981".
- 80084183 date "1981".
- 80084184 date "1981".
- 80084185 date "1981".
- 80084186 date "1981".
- 80084187 date "1981".
- 80084191 date "1981".
- 80084192 date "1981".
- 80084193 date "1981".
- 80084195 date "1981".
- 80084200 date "1981".
- 80084202 date "1981".
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- 80084211 date "1981".
- 80084212 date "1981".
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- 80084221%2F%2Fr89 date "1981".
- 80084226%2F%2Fr842 date "1981".
- 80084231 date "1981".
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- 80084239 date "1981".
- 80084240 date "1981".
- 80084243%2F%2Fr85 date "1981".
- 80084245 date "1981".
- 80084246%2F%2Fr97 date "1981".
- 80084248 date "1981".
- 80084249 date "1981".
- 80084250 date "1981".
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- 80084252 date "1981".
- 80084255 date "1981".
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- 80084257 date "1981".
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- 80084270%2F%2Fr922 date "1981".
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- 80084273 date "1981".
- 80084274 date "1981".
- 80084276 date "1981".
- 80084277 date "1981".
- 80084278 date "1981".
- 80084279%2F%2Fr89 date "1981".
- 80084280 date "1981".
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- 80084288 date "1981".
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- 80084292 date "1981".
- 80084293 date "1981".
- 80084294 date "1981".
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- 80084296 date "1981".
- 80084297 date "1981".
- 80084298%2F%2Fr892 date "1981".
- 80084300 date "1981".
- 80084301 date "1981".
- 80084302%2F%2Fr912 date "1981".
- 80084303%2F%2Fr913 date "1981".
- 80084304%2F%2Fr914 date "1981".
- 80084305 date "1981".
- 80084307 date "1981".
- 80084309 date "1981".
- 80084315 date "1981".
- 80084317 date "1981".
- 80084318 date "1981".
- 80084319 date "1981".
- 80084320 date "1981".
- 80084321 date "1981".
- 80084322%2F%2Fr90 date "1981".
- 80084323 date "1981".
- 80084324 date "1981".
- 80084325 date "1981".
- 80084333 date "1981".
- 80084335 date "1981".
- 80084340 date "1981".
- 80084342%2F%2Fr862 date "1981".
- 80084345 date "1981".
- 80084348 date "1981".
- 80084349 date "1981".
- 80084351 date "1981".
- 80084353 date "1981".