Columbia subject headings:
Law--Codification--Russia.
Law--Russia--History.
Harvard subject headings:
Customary law--Russia--History--Sources.
Feudal law--Russia--History--Sources.
Law, Medieval--History--Sources.
Law, Slavic--History--Sources.
Law--Kievan Rus.
Law--Russia--History--Sources.
Russkai︠a︡ Pravda.
Princeton subject headings:
Law--Codification--Russia.
Law--History--Russia.