Bibliography of Herbert O. Yardley, by subject:

•	Underrt̃telseverksamhet -- historia -- Fr̲enta staterna -- 1914-1918 (fr̲sta vr̃ldskriget) (2)
•	World War, 1914-1918 -- Secret service -- United States (2)
•	Cryptography (2)
•	World War, 1914-1918 -- Military intelligence (2)
•	United States -- War Dept -- Military Intelligence Division -- Section No. 8 -- History (2)
•	Sino-Japanese Conflict, 1937-1945 -- Secret service -- China (1)
•	Sino-Japanese Conflict, 1937-1945 -- Personal narratives, American (1)
•	Secret service -- United States (1)
•	Military intelligence (1)
•	Yardley, Herbert O. -- (Herbert Osborn),1889-1958 (1)
•	Amazon.com -- History -- Military -- World War II -- Personal Narratives (1)
•	Amazon.com -- History -- Military -- Intelligence & Espionage (1)
•	Amazon.com -- History -- Asia -- China -- General (1)
•	Amazon.com -- History -- Military -- World War II -- Intelligence Operations (1)
•	Amazon.com -- History -- Asia -- Japan (1)
•	Poker (1)