Columbia subject headings:
Diplomats--Correspondence.
France--Foreign relations--Soviet Union.
Russia--History--Nicholas II, 1894-1917.
Soviet Union--Foreign relations--France.
Harvard subject headings:
Diplomats--Biography
Diplomats--Correspondence
France--Foreign relations--Soviet Union.
Russia--History--Nicholas II, 1894-1917.
Soviet Union--Foreign relations--France.
Princeton subject headings:
Diplomats--Correspondence, reminiscences, etc.
France--Foreign relations--Soviet Union.
Russia--History--Nicholas II, 1894-1917.
Soviet Union--Foreign relations--France.