Columbia subject headings:
Harvard subject headings:
Church music--Orthodox Eastern Church
Folk poetry, Russian--History and criticism
Hymns, Russian--History and criticism.
Old Believers--Baltic States.
Old Believers--Folklore.
Old Believers--Hymns--History and criticism.
Old Believers--Hymns--Texts.
Old Believers--Russia, Northern.
Religious poetry, Russian--History and criticism.
Princeton subject headings:
Church music--Orthodox Eastern Church.
Hymns, Russian--History and criticism.
Hymns.
Old Believers--Hymns--History and criticism.
Old Believers--Hymns--Texts.
Religious poetry, Russian--History and criticism.