Columbia subject headings:
Harvard subject headings:
Internment camps--Russia (Federation)
Prisoners--Russia (Federation)--Language.
Prisons--Russia (Federation)
Russian language--Slang.
Princeton subject headings:
Internment camps--Soviet Union.
Prisoners--Soviet Union--Language (New words, slang, etc.)
Prisoners--Soviet Union.
Prisons--Soviet Union.
Russian language--Slang.