Matches in Library of Congress for { ?s ?p 1981. }
- 80021826 date "1981".
- 80021827%2F%2Fr82 date "1981".
- 80021828%2F%2Fr882 date "1981".
- 80021829 date "1981".
- 80021831%2F%2Fr92 date "1981".
- 80021833 date "1981".
- 80021834%2F%2Fr862 date "1981".
- 80021835 date "1981".
- 80021838 date "1981".
- 80021841%2F%2Fr85 date "1981".
- 80021843 date "1981".
- 80021845 date "1981".
- 80021846 date "1981".
- 80021847 date "1981".
- 80021848 date "1981".
- 80021849 date "1981".
- 80021851 date "1981".
- 80021853 date "1981".
- 80021854 date "1981".
- 80021855 date "1981".
- 80021857 date "1981".
- 80021860%2F%2Fr87 date "1981".
- 80021861 date "1981".
- 80021862 date "1981".
- 80021864%2F%2Fr89 date "1981".
- 80021866 date "1981".
- 80021870 date "1981".
- 80021871 date "1981".
- 80021874%2F%2Fr90 date "1981".
- 80021875 date "1981".
- 80021878 date "1981".
- 80021879 date "1981".
- 80021881 date "1981".
- 80021882%2F%2Fr90 date "1981".
- 80021883%2F%2Fr922 date "1981".
- 80021884 date "1981".
- 80021885%2F%2Fr90 date "1981".
- 80021886 date "1981".
- 80021887 date "1981".
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- 80021889%2F%2Fr93 date "1981".
- 80021892 date "1981".
- 80021893 date "1981".
- 80021896 date "1981".
- 80021897 date "1981".
- 80021898%2F%2Fr892 date "1981".
- 80021900%2F%2Fr92 date "1981".
- 80021902 date "1981".
- 80021903 date "1981".
- 80021904 date "1981".
- 80021905 date "1981".
- 80021906%2F%2Fr882 date "1981".
- 80021907%2F%2Fr92 date "1981".
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- 80021914 date "1981".
- 80021915 date "1981".
- 80021918%2F%2Fr81 date "1981".
- 80021919 date "1981".
- 80021920 date "1981".
- 80021921%2F%2Fr882 date "1981".
- 80021922%2F%2Fr85 date "1981".
- 80021923%2F%2Fr88 date "1981".
- 80021928 date "1981".
- 80021930%2F%2Fr89 date "1981".
- 80021932 date "1981".
- 80021937 date "1981".
- 80021940%2F%2Fr882 date "1981".
- 80021943%2F%2Fr90 date "1981".
- 80021948%2F%2Fr83 date "1981".
- 80021951 date "1981".
- 80021952%2F%2Fr83 date "1981".
- 80021954 date "1981".
- 80021955%2F%2Fr982 date "1981".
- 80021957%2F%2Fr87 date "1981".
- 80021960%2F%2Fr85 date "1981".
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- 80021966 date "1981".
- 80021967%2F%2Fr84 date "1981".
- 80021968%2F%2Fr92 date "1981".
- 80021970 date "1981".
- 80021972 date "1981".
- 80021973%2F%2Fr942 date "1981".
- 80021974 date "1981".
- 80021975%2F%2Fr92 date "1981".
- 80021976 date "1981".
- 80021977%2F%2Fr86 date "1981".
- 80021978 date "1981".
- 80021979 date "1981".
- 80021980%2F%2Fr92 date "1981".
- 80021981%2F%2Fr89 date "1981".
- 80021982 date "1981".
- 80021985 date "1981".
- 80021986 date "1981".
- 80021988 date "1981".
- 80021990 date "1981".
- 80021992 date "1981".
- 80021993 date "1981".
- 80021994%2F%2Fr922 date "1981".