Columbia subject headings:
Education and state--Caucasus--History--19th century.
Educational law and legislation--Caucasus--History--19th century.
Russification--Caucasus--History--19th century.
Harvard subject headings:
Education and state--Caucasus--History--19th century.
Educational law and legislation--Caucasus--History--19th century.
Russification--Caucasus--History--19th century.
Princeton subject headings:
Education and state--Caucasus--History--19th century.
Educational law and legislation--Caucasus--History--19th century.
Russification--Caucasus--History--19th century.