Matches in Library of Congress for { ?s ?p 1981. }
- 80007887%2F%2Fr852 date "1981".
- 80007889 date "1981".
- 80007891 date "1981".
- 80007892%2F%2Fr84 date "1981".
- 80007893 date "1981".
- 80007894%2F%2Fr872 date "1981".
- 80007895 date "1981".
- 80007896%2F%2Fr85 date "1981".
- 80007897 date "1981".
- 80007899%2F%2Fr85 date "1981".
- 80007900%2F%2Fr872 date "1981".
- 80007901 date "1981".
- 80007903 date "1981".
- 80007905 date "1981".
- 80007906 date "1981".
- 80007907 date "1981".
- 80007910 date "1981".
- 80007911 date "1981".
- 80007912 date "1981".
- 80007913 date "1981".
- 80007915 date "1981".
- 80007917 date "1981".
- 80007924%2F%2Fr85 date "1981".
- 80007925%2F%2Fr86 date "1981".
- 80007927 date "1981".
- 80007932 date "1981".
- 80007938 date "1981".
- 80007942 date "1981".
- 80007961 date "1981".
- 80007962 date "1981".
- 80007964 date "1981".
- 80007965 date "1981".
- 80007966 date "1981".
- 80007968 date "1981".
- 80007975 date "1981".
- 80007996 date "1981".
- 80008010 date "1981".
- 80008017 date "1981".
- 80008026 date "1981".
- 80008048 date "1981".
- 80008050 date "1981".
- 80008054 date "1981".
- 80008055 date "1981".
- 80008056 date "1981".
- 80008057 date "1981".
- 80008058%2F%2Fr922 date "1981".
- 80008059 date "1981".
- 80008065 date "1981".
- 80008066 date "1981".
- 80008068 date "1981".
- 80008069 date "1981".
- 80008073 date "1981".
- 80008074 date "1981".
- 80008075 date "1981".
- 80008076%2F%2Fr88 date "1981".
- 80008077 date "1981".
- 80008078 date "1981".
- 80008080 date "1981".
- 80008086%2F%2Fr90 date "1981".
- 80008089 date "1981".
- 80008095%2F%2Fr95 date "1981".
- 80008096 date "1981".
- 80008097%2FMN date "1981".
- 80008098%2F%2Fr863 date "1981".
- 80008099 date "1981".
- 80008100 date "1981".
- 80008102 date "1981".
- 80008104 date "1981".
- 80008106%2F%2Fr96 date "1981".
- 80008116%2F%2Fr83 date "1981".
- 80008136 date "1981".
- 80008140%2F%2Fr97 date "1981".
- 80008142%2F%2Fr912 date "1981".
- 80008151 date "1981".
- 80008152%2FMN date "1981".
- 80008153%2F%2Fr893 date "1981".
- 80008155 date "1981".
- 80008163 date "1981".
- 80008175 date "1981".
- 80008181 date "1981".
- 80008194 date "1981".
- 80008195 date "1981".
- 80008197 date "1981".
- 80008198 date "1981".
- 80008199 date "1981".
- 80008200%2F%2Fr832 date "1981".
- 80008202 date "1981".
- 80008204 date "1981".
- 80008205 date "1981".
- 80008206 date "1981".
- 80008208 date "1981".
- 80008209 date "1981".
- 80008210 date "1981".
- 80008214 date "1981".
- 80008216%2F%2Fr82 date "1981".
- 80008217 date "1981".
- 80008218 date "1981".
- 80008219%2F%2Fr892 date "1981".
- 80008220 date "1981".
- 80008221%2F%2Fr94 date "1981".