Columbia subject headings:
Azerbaijan--History--Revolution, 1917-1921.
Political atrocities--Azerbaijan--Baku.
Soviet Union--History--Revolution, 1917-1921--Atrocities.
Spies--Great Britain--Diaries.
Teague-Jones, Reginald, 1889-1988--Diaries.
Harvard subject headings:
Azerbaijan--History--Revolution, 1917-1921.
Political atrocities--Azerbaijan--Baku.
Soviet Union--History--Revolution, 1917-1921--Atrocities.
Spies--Great Britain--Diaries.
Teague-Jones, Reginald, 1889-1988--Diaries.
Princeton subject headings:
Spies--Great Britain--Biography.
Teague-Jones, Reginald, 1889-1988.