In writing Crown Colony of Spies, I conducted research using both primary and secondary sources, including interviews, memoirs, newspapers, academic papers, film and documents from the CIA, Department of Defense, Eisenhower Library, and others. Below is a select list of sources used in my research, and may provide interesting further reading for you.

The 1958 Taiwan Straits Crisis: A Documented History, by M. H. Halperin

The Age of Eisenhower, by William L. Hitchcock

The Anatomy of a Spy, by Michael Smith

The Art of Intelligence, by Henry A. Crumpton

The Billion Dollar Spy: A True Story of Cold War Espionage and Betrayal, by David E Hoffman 

The Book of Honor, by Ted Gup

A Borrowed Place: The History of Hong Kong, by Frank Welsh

China Bound: John Swire & Sons and Its World 1816-1980, by Robert Bickers

China Builds the Bomb, by John Wilson Lewis and Xue Litai

China Confidential: American Diplomacy and Sino-American Relations 1945-1996, by Nancy B. Tucker

China Hands: Nine Decades of Adventures, Espionage and Diplomacy in Asia, by James R. Lilley

CIA Special Weapons and Equipment: Spy Devices of the Cold War, by Keith Melton

The Clandestine Cold War in Asia, 1945-1965, ed. Richard James Aldrich, Gary D. Rawnsley, Ming-yeh T. Rawnsley

Double-Edged Sword: Nuclear Diplomacy in Unequal Conflicts: The United States and China, 1950-1958, by Appu K. Soman

The Dragon, the Lion, and the Eagle: Chinese-British-American Relations, 1949-1958, by Qiang Zhai

Eisenhower 1956, by David Nichols

Friends and Enemies: The United States, China, and the Soviet Union, by Gordon H. Chang

From The Brothers: John Foster Dulles, Allen Welsh Dulles and their Secret World War, by Stephen Kinzer 

Golden Boy: Memories of a Hong Kong Childhood, by Martin Booth (sometimes printed as Gweilo: Memories of a Hong Kong Childhood)

Hong Kong and the Cold War: Anglo-American Relations, 1949-1957, by Chi-Kwan Mark

Hong Kong in the Cold War, ed. Priscilla Roberts and John M. Carroll

John Foster Dullen and the Diplomacy of the Cold War, edited by Richard H. Immerman

Mao: The Untold Story, by Jung Chang and Jon Halliday

The Master of Disguise, by Antonio J. Mendez

The Official CIA Manual of Trickery and Deception, by H. Keith Melton and Robert Wallace

The OSS in China, by Man Chu

The Peking Story, by David Kidd

The Quiet Americans, by Scott Anderson 

Secret Wars: One Hundred Years of British Intelligence, by Gordon Thomas

Spy Dust, by Antonio and Jonna Mendez

Spycraft: The Secret History of the CIA’s Spytechs, from Communism to Al-Qaeda, by Robert Wallance and H. Keith Melton

Taiwan, Hong Kong and the United States, 1945-1992, by Nancy B. Tucker

The Underground Front: The Communist Chinese Party in Hong Kong, by Christine Loh

Walking the Tycoon’s Rope, by Robert Wang

The War Business: The International Trade in Armaments, by George Thayer

WW2 Spy School: The Complete 1943 S.O.E. Counter Espionage Manual, compiled and introduced by Ian Hall