Columbia subject headings:
Political prisoners--Soviet Union.
Ratushinskai︠a︡, Irina.
Harvard subject headings:
Poets, Russian--20th century--Biography
Political prisoners--Soviet Union--Biography
Ratushinskai︠a︡, Irina--Biography--Imprisonment--Russia (Federation)--Mordovskai︠a︡ A.S.S.R.
Princeton subject headings:
Political prisoners--Soviet Union.
Ratushinskai︠a︡, Irina.