The fourth seal : the end of a Russian chapter - Hoare, Samuel, Sir, 1880- (London : William Heinemann, 1930)
Includes index
Keywords: World War, 1914-1918 -- Secret service -- Great Britain; World War, 1914-1918 -- Russia; Russia -- History -- Nicholas II, 1894-1917; Soviet Union -- History -- Revolution, 1917-1921