Matches in Library of Congress for { ?s ?p 1981. }
- 80025004 date "1981".
- 80025005 date "1981".
- 80025006 date "1981".
- 80025007 date "1981".
- 80025008 date "1981".
- 80025010%2F%2Fr85 date "1981".
- 80025011 date "1981".
- 80025015%2F%2Fr89 date "1981".
- 80025016 date "1981".
- 80025017 date "1981".
- 80025018 date "1981".
- 80025020 date "1981".
- 80025021 date "1981".
- 80025022 date "1981".
- 80025023 date "1981".
- 80025025 date "1981".
- 80025028 date "1981".
- 80025029%2F%2Fr85 date "1981".
- 80025030 date "1981".
- 80025031%2F%2Fr932 date "1981".
- 80025032 date "1981".
- 80025033 date "1981".
- 80025034%2F%2Fr85 date "1981".
- 80025036 date "1981".
- 80025037 date "1981".
- 80025038 date "1981".
- 80025041%2F%2Fr963 date "1981".
- 80025042 date "1981".
- 80025044 date "1981".
- 80025045%2F%2Fr94 date "1981".
- 80025046 date "1981".
- 80025047 date "1981".
- 80025048 date "1981".
- 80025050 date "1981".
- 80025051 date "1981".
- 80025052%2F%2Fr922 date "1981".
- 80025053%2F%2Fr93 date "1981".
- 80025054%2F%2Fr90 date "1981".
- 80025055 date "1981".
- 80025056 date "1981".
- 80025057 date "1981".
- 80025058 date "1981".
- 80025059 date "1981".
- 80025060 date "1981".
- 80025061%2F%2Fr852 date "1981".
- 80025063 date "1981".
- 80025064%2F%2Fr872 date "1981".
- 80025065 date "1981".
- 80025066 date "1981".
- 80025068%2F%2Fr84 date "1981".
- 80025069 date "1981".
- 80025071 date "1981".
- 80025073 date "1981".
- 80025075%2F%2Fr93 date "1981".
- 80025077 date "1981".
- 80025079 date "1981".
- 80025080 date "1981".
- 80025081 date "1981".
- 80025082 date "1981".
- 80025083 date "1981".
- 80025084 date "1981".
- 80025086 date "1981".
- 80025088 date "1981".
- 80025090 date "1981".
- 80025092%2F%2Fr922 date "1981".
- 80025093 date "1981".
- 80025094 date "1981".
- 80025095 date "1981".
- 80025096%2F%2Fr84 date "1981".
- 80025097 date "1981".
- 80025098%2F%2Fr90 date "1981".
- 80025099%2F%2Fr92 date "1981".
- 80025100 date "1981".
- 80025103%2F%2Fr95 date "1981".
- 80025104 date "1981".
- 80025106 date "1981".
- 80025107 date "1981".
- 80025108 date "1981".
- 80025111 date "1981".
- 80025114 date "1981".
- 80025115 date "1981".
- 80025116 date "1981".
- 80025117 date "1981".
- 80025118%2F%2Fr872 date "1981".
- 80025123 date "1981".
- 80025124%2F%2Fr842 date "1981".
- 80025127%2F%2Fr862 date "1981".
- 80025128 date "1981".
- 80025129 date "1981".
- 80025130 date "1981".
- 80025131%2F%2Fr83 date "1981".
- 80025132 date "1981".
- 80025133%2F%2Fr93 date "1981".
- 80025134%2F%2Fr922 date "1981".
- 80025135%2F%2Fr83 date "1981".
- 80025136 date "1981".
- 80025138 date "1981".
- 80025139 date "1981".
- 80025140 date "1981".
- 80025141%2F%2Fr86 date "1981".