Columbia subject headings:
Harvard subject headings:
Devotional literature, Russian--Periodicals.
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ--Prayers and devotions--Periodicals.
Princeton subject headings:
Christian literature, Russian--Periodicals.
Christianity--Soviet Union--Periodicals.
Underground literature--Soviet Union--Periodicals.