Matches in Library of Congress for { ?s ?p 1981-. }
- 85172971 issued "1981-".
- 85172999%2F%2Fr90 issued "1981-".
- 85180077 issued "1981-".
- 85187836 issued "1981-".
- 85188535 issued "1981-".
- 85192977%2FSA issued "1981-".
- 85200996%2FNE issued "1981-".
- 85209639%2F%2Fr90 issued "1981-".
- 85219085 issued "1981-".
- 85219626 issued "1981-".
- 85224830%2F%2Fr95 issued "1981-".
- 85228768 issued "1981-".
- 85229201 issued "1981-".
- 85670261%2F%2Fr88 issued "1981-".
- 85901673%2FSA issued "1981-".
- 85902927 issued "1981-".
- 85928189 issued "1981-".
- 85930761%2FSA issued "1981-".
- 85931263 issued "1981-".
- 85942785%2FSA%2Fr90 issued "1981-".
- 85960332 issued "1981-".
- 86113932 issued "1981-".
- 86114235%2F%2Fr88 issued "1981-".
- 86115619 issued "1981-".
- 86122495%2F%2Fr90 issued "1981-".
- 86124403 issued "1981-".
- 86132292 issued "1981-".
- 86140376 issued "1981-".
- 86144056%2FNE%2Fr932 issued "1981-".
- 86148000 issued "1981-".
- 86160645 issued "1981-".
- 86173078 issued "1981-".
- 86178769 issued "1981-".
- 86184307 issued "1981-".
- 86189505%2FNE issued "1981-".
- 86192531 issued "1981-".
- 86194871 issued "1981-".
- 86202409%2FNE%2Fr88 issued "1981-".
- 86203673%2F%2Fr892 issued "1981-".
- 86215853 issued "1981-".
- 86229337 issued "1981-".
- 86892359 issued "1981-".
- 86892455 issued "1981-".
- 86909522%2F%2Fr912 issued "1981-".
- 86919690%2F%2Fr87 issued "1981-".
- 86941192%2FSA issued "1981-".
- 87104986 issued "1981-".
- 87162454 issued "1981-".
- 87163474 issued "1981-".
- 87174247%2F%2Fr91 issued "1981-".
- 87213775 issued "1981-".
- 87406791%2F%2Fr93 issued "1981-".
- 87407047 issued "1981-".
- 87463226 issued "1981-".
- 87916301 issued "1981-".
- 87942164 issued "1981-".
- 87942318%2F%2Fr90 issued "1981-".
- 87944017%2F%2Fr89 issued "1981-".
- 87960729 issued "1981-".
- 87967080 issued "1981-".
- 87968267%2FNE issued "1981-".
- 88112032 issued "1981-".
- 88128615 issued "1981-".
- 88139008 issued "1981-".
- 88155152 issued "1981-".
- 88156897 issued "1981-".
- 88180458 issued "1981-".
- 88193994 issued "1981-".
- 88207993 issued "1981-".
- 88208645 issued "1981-".
- 88208670 issued "1981-".
- 88416323 issued "1981-".
- 88904029 issued "1981-".
- 88941915%2F%2Fr90 issued "1981-".
- 88965580 issued "1981-".
- 89150937 issued "1981-".
- 89161362 issued "1981-".
- 89216273 issued "1981-".
- 89965984 issued "1981-".
- 89981928 issued "1981-".
- 90116325 issued "1981-".
- 90117622%2FMN issued "1981-".
- 90167847 issued "1981-".
- 90179826 issued "1981-".
- 90193821 issued "1981-".
- 90205682 issued "1981-".
- 90212580%2F%2Fr96 issued "1981-".
- 90828105 issued "1981-".
- 90908411 issued "1981-".
- 91108959 issued "1981-".
- 91181858%2FNE issued "1981-".
- 91200379 issued "1981-".
- 91220019%2F%2Fr982 issued "1981-".
- 91220607 issued "1981-".
- 92101188 issued "1981-".
- 92102255 issued "1981-".
- 92901706 issued "1981-".
- 92915676 issued "1981-".
- 92943063 issued "1981-".
- 93905155 issued "1981-".