Matches in Library of Congress for { ?s ?p 1981-. }
- 81601396 issued "1981-".
- 81601406 issued "1981-".
- 81601415 issued "1981-".
- 81601636 issued "1981-".
- 81601662 issued "1981-".
- 81601663 issued "1981-".
- 81601766 issued "1981-".
- 81601777 issued "1981-".
- 81601786 issued "1981-".
- 81601797 issued "1981-".
- 81601873 issued "1981-".
- 81601875 issued "1981-".
- 81601881 issued "1981-".
- 81602169 issued "1981-".
- 81602308 issued "1981-".
- 81602309 issued "1981-".
- 81602310 issued "1981-".
- 81602486 issued "1981-".
- 81602489 issued "1981-".
- 81602600 issued "1981-".
- 81602618 issued "1981-".
- 81602855 issued "1981-".
- 81602976 issued "1981-".
- 81603087 issued "1981-".
- 81603368 issued "1981-".
- 81603385 issued "1981-".
- 81603404 issued "1981-".
- 81603521 issued "1981-".
- 81603551 issued "1981-".
- 81603556 issued "1981-".
- 81603561 issued "1981-".
- 81603583 issued "1981-".
- 81603710 issued "1981-".
- 81603750 issued "1981-".
- 81603785 issued "1981-".
- 81603800 issued "1981-".
- 81603866 issued "1981-".
- 81603889 issued "1981-".
- 81603927 issued "1981-".
- 81603948 issued "1981-".
- 81604107 issued "1981-".
- 81607956 issued "1981-".
- 81623054 issued "1981-".
- 81901529 issued "1981-".
- 81901824 issued "1981-".
- 81901858%2FSA%2Fr922 issued "1981-".
- 81902572 issued "1981-".
- 81902741 issued "1981-".
- 81902977 issued "1981-".
- 81903165 issued "1981-".
- 81903569 issued "1981-".
- 81903788%2FSA issued "1981-".
- 81903818 issued "1981-".
- 81903871 issued "1981-".
- 81904137 issued "1981-".
- 81904214 issued "1981-".
- 81904223 issued "1981-".
- 81904512 issued "1981-".
- 81904560 issued "1981-".
- 81904619 issued "1981-".
- 81904623%2FSA issued "1981-".
- 81905025%2FSA issued "1981-".
- 81905029%2F%2Fr86 issued "1981-".
- 81905241 issued "1981-".
- 81905268 issued "1981-".
- 81905280%2FSA%2Fr97 issued "1981-".
- 81905284%2F%2Fr91 issued "1981-".
- 81905292%2FSA%2Fr90 issued "1981-".
- 81905370 issued "1981-".
- 81905506%2FSA%2Fr92 issued "1981-".
- 81905631%2FSA issued "1981-".
- 81930739%2FSA issued "1981-".
- 81930963 issued "1981-".
- 81931019 issued "1981-".
- 81941143%2FSA issued "1981-".
- 81941199%2FSA issued "1981-".
- 81941615%2FSA issued "1981-".
- 81961340 issued "1981-".
- 81961425 issued "1981-".
- 81961449 issued "1981-".
- 81980652 issued "1981-".
- 82048054%2F%2Fr98 issued "1981-".
- 82082006 issued "1981-".
- 82082007 issued "1981-".
- 82100159 issued "1981-".
- 82100498 issued "1981-".
- 82100693 issued "1981-".
- 82100783 issued "1981-".
- 82101088 issued "1981-".
- 82101351 issued "1981-".
- 82102137 issued "1981-".
- 82103054 issued "1981-".
- 82103101%2F%2Fr882 issued "1981-".
- 82103371 issued "1981-".
- 82104228%2F%2Fr91 issued "1981-".
- 82104388 issued "1981-".
- 82104858 issued "1981-".
- 82105062 issued "1981-".
- 82105203 issued "1981-".
- 82105582 issued "1981-".