- Missile Programs of DPRK, Iraq, and Iran
Ronald Siegel, Institute for Defense & Disarmament Studies, September 2001.
- Assessment of the North Korean Missile Threat
David Wright, M.I.T., 2003.
- DPRK Missile Developments & Ballistic Missile Threat
National Intelligence Council Unclassified Summary, December 2001.
- US Policy Toward DPRK with Respect to Ballistic Missiles
US Army War College, April 10, 2001
- DPRK Missile Threat to US
Congressional Research Service, 2003.