Columbia subject headings:
Politics, Practical--Public opinion--Russia--Sources.
Russia--Politics and government--Sources.
Statesmen--Russia--Correspondence.
Harvard subject headings:
Politics, Practical--Public opinion--Russia--Sources.
Russia--Politics and government--Sources.
Statesmen--Russia--Correspondence.
Princeton subject headings:
Politics, Practical--Public opinion--Russia--Sources.
Russia--Politics and government--Sources.
Statesmen--Russia--Correspondence.