Matches in Library of Congress for { ?s ?p 1981. }
- 80002839 date "1981".
- 80002840 date "1981".
- 80002844 date "1981".
- 80002845 date "1981".
- 80002846%2F%2Fr85 date "1981".
- 80002850 date "1981".
- 80002851 date "1981".
- 80002852 date "1981".
- 80002854 date "1981".
- 80002855 date "1981".
- 80002856 date "1981".
- 80002862 date "1981".
- 80002863 date "1981".
- 80002869%2F%2Fr95 date "1981".
- 80002872 date "1981".
- 80002878%2F%2Fr872 date "1981".
- 80002879 date "1981".
- 80002880 date "1981".
- 80002884 date "1981".
- 80002895 date "1981".
- 80002896 date "1981".
- 80002897%2F%2Fr94 date "1981".
- 80002904%2FMN%2Fr952 date "1981".
- 80002905%2F%2Fr95 date "1981".
- 80002944 date "1981".
- 80002945%2F%2Fr984 date "1981".
- 80002946%2F%2Fr932 date "1981".
- 80002950%2F%2Fr93 date "1981".
- 80002951 date "1981".
- 80002958%2F%2Fr943 date "1981".
- 80002960%2F%2Fr82 date "1981".
- 80002964%2F%2Fr83 date "1981".
- 80002965%2F%2Fr97 date "1981".
- 80002967 date "1981".
- 80002978 date "1981".
- 80002983%2FMN date "1981".
- 80002986 date "1981".
- 80002987 date "1981".
- 80002988 date "1981".
- 80002991 date "1981".
- 80002993 date "1981".
- 80002994 date "1981".
- 80002996 date "1981".
- 80002998 date "1981".
- 80003001 date "1981".
- 80003007 date "1981".
- 80003008 date "1981".
- 80005056 date "1981".
- 80005068%2F%2Fr853 date "1981".
- 80005073 date "1981".
- 80005074 date "1981".
- 80005091%2F%2Fr942 date "1981".
- 80005099 date "1981".
- 80005104 date "1981".
- 80005111 date "1981".
- 80005112 date "1981".
- 80005117 date "1981".
- 80005118 date "1981".
- 80005119 date "1981".
- 80005120 date "1981".
- 80005132 date "1981".
- 80005133 date "1981".
- 80005137 date "1981".
- 80005139%2F%2Fr84 date "1981".
- 80005144 date "1981".
- 80005172 date "1981".
- 80005174%2F%2Fr85 date "1981".
- 80005179 date "1981".
- 80005184 date "1981".
- 80005186 date "1981".
- 80005208 date "1981".
- 80005209 date "1981".
- 80005222 date "1981".
- 80005223%2FMN%2Fr93 date "1981".
- 80005224 date "1981".
- 80005240 date "1981".
- 80005241%2F%2Fr963 date "1981".
- 80005244 date "1981".
- 80005248 date "1981".
- 80005254 date "1981".
- 80005256 date "1981".
- 80005259 date "1981".
- 80005267 date "1981".
- 80005269 date "1981".
- 80005271%2F%2Fr82 date "1981".
- 80005273 date "1981".
- 80005277 date "1981".
- 80005293 date "1981".
- 80005303%2F%2Fr88 date "1981".
- 80005309 date "1981".
- 80005312 date "1981".
- 80005327%2F%2Fr84 date "1981".
- 80005340 date "1981".
- 80005342 date "1981".
- 80005343 date "1981".
- 80005344%2F%2Fr952 date "1981".
- 80005345%2F%2Fr952 date "1981".
- 80005349 date "1981".
- 80005350 date "1981".
- 80005363 date "1981".