Columbia subject headings:
Harvard subject headings:
Socialism--Soviet Union
Solzhenit͡syn, Aleksandr Isaevich, 1918-2008. Arkhipelag GULag.
Princeton subject headings:
Dissenters--Soviet Union.
Political prisoners--Soviet Union.
Solzhenit︠s︡yn, Aleksandr Isaevich, 1918-2008. Arkhipelag GULag, 1918-1956.