Matches in Library of Congress for { ?s ?p 1981-. }
- 81211176 dateCopyrighted "1981-".
- 81211344 dateCopyrighted "1981-".
- 81212030%2FNE%2Fr972 dateCopyrighted "1981-".
- 81212291 dateCopyrighted "1981-".
- 81213168 dateCopyrighted "1981-".
- 81213613 dateCopyrighted "1981-".
- 81213973 dateCopyrighted "1981-".
- 81214209 dateCopyrighted "1981-".
- 81214267 dateCopyrighted "1981-".
- 81215162 dateCopyrighted "1981-".
- 81215492%2F%2Fr92 dateCopyrighted "1981-".
- 81215981%2F%2Fr85 dateCopyrighted "1981-".
- 81216097 dateCopyrighted "1981-".
- 81216112 dateCopyrighted "1981-".
- 81216145 dateCopyrighted "1981-".
- 81216704%2F%2Fr88 dateCopyrighted "1981-".
- 81216902 dateCopyrighted "1981-".
- 81466791%2F%2Fr912 dateCopyrighted "1981-".
- 81482168 dateCopyrighted "1981-".
- 81482490%2F%2Fr972 dateCopyrighted "1981-".
- 81600968 dateCopyrighted "1981-".
- 81601173 dateCopyrighted "1981-".
- 81601396 dateCopyrighted "1981-".
- 81601406 dateCopyrighted "1981-".
- 81601415 dateCopyrighted "1981-".
- 81601636 dateCopyrighted "1981-".
- 81601662 dateCopyrighted "1981-".
- 81601663 dateCopyrighted "1981-".
- 81601766 dateCopyrighted "1981-".
- 81601777 dateCopyrighted "1981-".
- 81601786 dateCopyrighted "1981-".
- 81601797 dateCopyrighted "1981-".
- 81601873 dateCopyrighted "1981-".
- 81601875 dateCopyrighted "1981-".
- 81601881 dateCopyrighted "1981-".
- 81602169 dateCopyrighted "1981-".
- 81602308 dateCopyrighted "1981-".
- 81602309 dateCopyrighted "1981-".
- 81602310 dateCopyrighted "1981-".
- 81602486 dateCopyrighted "1981-".
- 81602489 dateCopyrighted "1981-".
- 81602600 dateCopyrighted "1981-".
- 81602618 dateCopyrighted "1981-".
- 81602855 dateCopyrighted "1981-".
- 81602976 dateCopyrighted "1981-".
- 81603087 dateCopyrighted "1981-".
- 81603368 dateCopyrighted "1981-".
- 81603385 dateCopyrighted "1981-".
- 81603404 dateCopyrighted "1981-".
- 81603521 dateCopyrighted "1981-".
- 81603551 dateCopyrighted "1981-".
- 81603556 dateCopyrighted "1981-".
- 81603561 dateCopyrighted "1981-".
- 81603583 dateCopyrighted "1981-".
- 81603710 dateCopyrighted "1981-".
- 81603750 dateCopyrighted "1981-".
- 81603785 dateCopyrighted "1981-".
- 81603800 dateCopyrighted "1981-".
- 81603866 dateCopyrighted "1981-".
- 81603889 dateCopyrighted "1981-".
- 81603927 dateCopyrighted "1981-".
- 81603948 dateCopyrighted "1981-".
- 81604107 dateCopyrighted "1981-".
- 81607956 dateCopyrighted "1981-".
- 81623054 dateCopyrighted "1981-".
- 81901529 dateCopyrighted "1981-".
- 81901824 dateCopyrighted "1981-".
- 81901858%2FSA%2Fr922 dateCopyrighted "1981-".
- 81902572 dateCopyrighted "1981-".
- 81902741 dateCopyrighted "1981-".
- 81902977 dateCopyrighted "1981-".
- 81903165 dateCopyrighted "1981-".
- 81903569 dateCopyrighted "1981-".
- 81903788%2FSA dateCopyrighted "1981-".
- 81903818 dateCopyrighted "1981-".
- 81903871 dateCopyrighted "1981-".
- 81904137 dateCopyrighted "1981-".
- 81904214 dateCopyrighted "1981-".
- 81904223 dateCopyrighted "1981-".
- 81904512 dateCopyrighted "1981-".
- 81904560 dateCopyrighted "1981-".
- 81904619 dateCopyrighted "1981-".
- 81904623%2FSA dateCopyrighted "1981-".
- 81905025%2FSA dateCopyrighted "1981-".
- 81905029%2F%2Fr86 dateCopyrighted "1981-".
- 81905241 dateCopyrighted "1981-".
- 81905268 dateCopyrighted "1981-".
- 81905280%2FSA%2Fr97 dateCopyrighted "1981-".
- 81905284%2F%2Fr91 dateCopyrighted "1981-".
- 81905292%2FSA%2Fr90 dateCopyrighted "1981-".
- 81905370 dateCopyrighted "1981-".
- 81905506%2FSA%2Fr92 dateCopyrighted "1981-".
- 81905631%2FSA dateCopyrighted "1981-".
- 81930739%2FSA dateCopyrighted "1981-".
- 81930963 dateCopyrighted "1981-".
- 81931019 dateCopyrighted "1981-".
- 81941143%2FSA dateCopyrighted "1981-".
- 81941199%2FSA dateCopyrighted "1981-".
- 81941615%2FSA dateCopyrighted "1981-".
- 81961340 dateCopyrighted "1981-".