TransliterationShifrin, Avraham Avraam Shifrin. U.S.S.R. labor camps: hearings before the subcommittee Trudovye lagerya SSSR: slushaniya v podkomitete po rassledovaniyu primeneniya Zakona o vnutrenney bezopasnosti.
In EnglishShifrin, Avraham Abraham Shifrin. U.S. S.R. labor camps: hearing before the subcommittee USSR labor camps: hearing before the subcommittee investigating the application of the Internal Security Act. In Russian
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