Columbia subject headings:
Censorship--Russia--History--19th century.
Press law--Russia--History--19th century.
Publishers and publishing--Government policy--Russia--History--19th century.
Harvard subject headings:
Censorship--Soviet Union--History--19th century.
Press law--Soviet Union--History--19th century.
Publishers and publishing--Government policy--Soviet Union--History--19th century.
Princeton subject headings:
Censorship--Russia--History--19th century.
Government and the press--Russia--History--19th century.