Matches in Library of Congress for { ?s ?p 1981. }
- 80022000 date "1981".
- 80022001 date "1981".
- 80022002 date "1981".
- 80022004 date "1981".
- 80022005%2F%2Fr922 date "1981".
- 80022011%2F%2Fr923 date "1981".
- 80022014 date "1981".
- 80022016 date "1981".
- 80022017 date "1981".
- 80022019%2F%2Fr83 date "1981".
- 80022022 date "1981".
- 80022023%2F%2Fr92 date "1981".
- 80022025 date "1981".
- 80022027%2F%2Fr92 date "1981".
- 80022028%2F%2Fr89 date "1981".
- 80022032%2F%2Fr922 date "1981".
- 80022034 date "1981".
- 80022035 date "1981".
- 80022036 date "1981".
- 80022039 date "1981".
- 80022041%2F%2Fr88 date "1981".
- 80022045 date "1981".
- 80022046 date "1981".
- 80022049%2F%2Fr963 date "1981".
- 80022050 date "1981".
- 80022051 date "1981".
- 80022052%2F%2Fr92 date "1981".
- 80022053 date "1981".
- 80022055 date "1981".
- 80022056%2F%2Fr84 date "1981".
- 80022057 date "1981".
- 80022058 date "1981".
- 80022059 date "1981".
- 80022062 date "1981".
- 80022064%2F%2Fr942 date "1981".
- 80022065%2F%2Fr95 date "1981".
- 80022066 date "1981".
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- 80022072%2F%2Fr96 date "1981".
- 80022075 date "1981".
- 80022077 date "1981".
- 80022079 date "1981".
- 80022081%2F%2Fr873 date "1981".
- 80022088%2F%2Fr92 date "1981".
- 80022090 date "1981".
- 80022091 date "1981".
- 80022093%2F%2Fr943 date "1981".
- 80022094 date "1981".
- 80022095 date "1981".
- 80022096%2F%2Fr92 date "1981".
- 80022097 date "1981".
- 80022098 date "1981".
- 80022099 date "1981".
- 80022100 date "1981".
- 80022104 date "1981".
- 80022105 date "1981".
- 80022106 date "1981".
- 80022109 date "1981".
- 80022111%2F%2Fr84 date "1981".
- 80022112 date "1981".
- 80022113 date "1981".
- 80022114 date "1981".
- 80022117%2F%2Fr83 date "1981".
- 80022118 date "1981".
- 80022120 date "1981".
- 80022124%2F%2Fr83 date "1981".
- 80022125 date "1981".
- 80022126 date "1981".
- 80022127 date "1981".
- 80022128%2F%2Fr965 date "1981".
- 80022129%2F%2Fr842 date "1981".
- 80022130%2F%2Fr852 date "1981".
- 80022131 date "1981".
- 80022133%2F%2Fr83 date "1981".
- 80022135 date "1981".
- 80022136 date "1981".
- 80022138 date "1981".
- 80022139 date "1981".
- 80022140 date "1981".
- 80022141 date "1981".
- 80022142 date "1981".
- 80022143 date "1981".
- 80022144 date "1981".
- 80022145 date "1981".
- 80022146 date "1981".
- 80022148%2F%2Fr822 date "1981".
- 80022149 date "1981".
- 80022153 date "1981".
- 80022154 date "1981".
- 80022155 date "1981".
- 80022157 date "1981".
- 80022159 date "1981".
- 80022160 date "1981".
- 80022161 date "1981".
- 80022162 date "1981".
- 80022163 date "1981".
- 80022164 date "1981".
- 80022165 date "1981".
- 80022166%2F%2Fr85 date "1981".
- 80022167 date "1981".