Columbia subject headings:
Kharkiv (Ukraine)--Church history.
Old Believers--Ukraine--Kharkiv--History.
Old Believers--Ukraine--Kharkiv--Social conditions.
Harvard subject headings:
Old Believers--Ukraine--Kharkivsʹka oblastʹ--19th century.
Old Believers--Ukraine--Kharkivsʹka oblastʹ--20th century.
Princeton subject headings: