The Fifth Man

John Cairncross

Venona Project

Manhattan Project

Harry Truman

Operation Enormous

Lavrenty Beria

Igor Gouzenko Affair

Operation Dew Worm

Venona Project 

Klaus Fuchs

David Greenglass

Julius and Ethel Rosenberg

Roy Cohn

HUAC—the House Un-American Activities Committee

Joe McCarthy

Senate Internal Security Subcommittee (SISS)

Security Panel

Colonel Rudolf Abel

Operation REDSOX

Operation LEOPARD

“ferret flights”

“bomber gap”

“missile gap”

Reinhard Gehlen

U2 Flights 

Allen Dulles

Dwight Eisenhower

New Look Policy

Theories of Surprise and Intelligence Failure Models

military surprise

political surprise

economic and scientific surprise

Pollyanna syndrome

Cassandra syndrome 

stereotyping

hypothesis surrender reluctance 

policy maker proximity

mirror imaging

rational actor hypothesis

parochialism of bigness

bias

hypercredulity

hyperscepticisim

ignorance

conservatism and lessons of history

deception

Venona Project: (Link to names A Research Historian’s Working Reference: Cover Name, Cryptonym, Pseudonym, and Real Name Index )

Highly Recommended  Readings

Kerstin von Lingen, 'Conspiracy of Silence:  How the "Old Boys" of American Intelligence Shielded SS General Karl Wolff from Prosecution, 
Holocaust and Genocide Studies, Vol 22, No. 1 (Spring 2008)
pp.  74-109

Andrew Fraser, 'Architecture of a Broken Dream: The CIA and Guatemala, 1952–54'
Intelligence and National Security, Vol.20, No.3, September 2005,
pp.486 – 508

Interpreting the 1954 U.S. Intervention in Guatemala: Realist, Revisionist, and Postrevisionist Perspectives
Author(s): Stephen M. Streeter
Source: The History Teacher, Vol. 34, No. 1 (Nov., 2000), pp. 61-74

Iran's 1953 Coup Revisited: Internal Dynamics versus External Intrigue
Author(s): Fariborz Mokhtari
Source: Middle East Journal, Vol. 62, No. 3 (Summer, 2008), pp. 457-488

The Coup That Changed the Middle East: Mossadeq v. The CIA in Retrospect
Author(s): Mostafa T. Zahrani
Source: World Policy Journal, Vol. 19, No. 2 (Summer, 2002), pp. 93-99

The CIA Looks Back at the 1953 Coup in Iran
Author(s): Mark J. Gasiorowski
Source: Middle East Report, No. 216 (Autumn, 2000), pp. 4-5