Matches in Library of Congress for { ?s ?p 1981. }
- 79012597 date "1981".
- 79012718 date "1981".
- 79012770 date "1981".
- 79013021 date "1981".
- 79013191 date "1981".
- 79013299 date "1981".
- 79013347 date "1981".
- 79013386%2F%2Fr84 date "1981".
- 79013490 date "1981".
- 79013537 date "1981".
- 79013690 date "1981".
- 79013876%2F%2Fr942 date "1981".
- 79014079 date "1981".
- 79014208 date "1981".
- 79014357%2F%2Fr85 date "1981".
- 79014427 date "1981".
- 79014459 date "1981".
- 79014531%2F%2Fr88 date "1981".
- 79014569 date "1981".
- 79014706 date "1981".
- 79014716 date "1981".
- 79014846 date "1981".
- 79014872 date "1981".
- 79014933 date "1981".
- 79015016 date "1981".
- 79015102%2F%2Fr833 date "1981".
- 79015108 date "1981".
- 79015109 date "1981".
- 79015213 date "1981".
- 79015294 date "1981".
- 79015363%2F%2Fr88 date "1981".
- 79015427 date "1981".
- 79015450 date "1981".
- 79015587 date "1981".
- 79015598 date "1981".
- 79015826 date "1981".
- 79015947%2F%2Fr852 date "1981".
- 79015987 date "1981".
- 79016151 date "1981".
- 79016220 date "1981".
- 79016454 date "1981".
- 79016512 date "1981".
- 79016552 date "1981".
- 79016826 date "1981".
- 79016984 date "1981".
- 79016986 date "1981".
- 79017109 date "1981".
- 79017135 date "1981".
- 79017189 date "1981".
- 79017242 date "1981".
- 79017259%2F%2Fr842 date "1981".
- 79017328%2F%2Fr84 date "1981".
- 79017380 date "1981".
- 79017414 date "1981".
- 79017460%2F%2Fr94 date "1981".
- 79017481 date "1981".
- 79017644%2F%2Fr902 date "1981".
- 79017664 date "1981".
- 79017687 date "1981".
- 79017868%2F%2Fr942 date "1981".
- 79017910 date "1981".
- 79017993 date "1981".
- 79017996 date "1981".
- 79018044 date "1981".
- 79018048%2F%2Fr83 date "1981".
- 79018370 date "1981".
- 79018386%2F%2Fr924 date "1981".
- 79018645 date "1981".
- 79018696 date "1981".
- 79018784 date "1981".
- 79018803 date "1981".
- 79018838%2F%2Fr84 date "1981".
- 79018883 date "1981".
- 79019081 date "1981".
- 79019123 date "1981".
- 79019129 date "1981".
- 79019131%2F%2Fr902 date "1981".
- 79019230 date "1981".
- 79019258 date "1981".
- 79019263 date "1981".
- 79019378%2F%2Fr92 date "1981".
- 79019403%2F%2Fr94 date "1981".
- 79019534 date "1981".
- 79019655%2FMN%2Fr852 date "1981".
- 79019665 date "1981".
- 79019666 date "1981".
- 79019772%2F%2Fr95 date "1981".
- 79019857 date "1981".
- 79019868 date "1981".
- 79019890 date "1981".
- 79019908 date "1981".
- 79019962 date "1981".
- 79019974 date "1981".
- 79020103 date "1981".
- 79020127 date "1981".
- 79020183%2F%2Fr933 date "1981".
- 79020249 date "1981".
- 79020263 date "1981".
- 79020303 date "1981".
- 79020758 date "1981".