Columbia subject headings:
Convict labor--Soviet Union.
Political prisoners--Soviet Union.
Vladimirskai͡a ti͡urʹma (Prison)
Harvard subject headings:
Muzeĭ "Istorii͡a Vladimirskoĭ ti͡urmy."
Prisons--Soviet Union
Vladimirskai︠a︡ Ti︠u︡rʹma.
Princeton subject headings:
Convict labor--Russia.
Muzeĭ "Istorii︠a︡ Vladimirskoĭ ti︠u︡rmy"
Political prisoners--Russia.