1. Matthew Fuhrmann, “Taking a Walk on the Wild Side,” in Robert Rauchhaus, Matthew Kroenig and Erik Gartzke, eds., Causes and Consequences of Nuclear Proliferation (London: Routledge, 2011), 82–110
2. Amos Yoder, Estimate of the Effects of the Soviet Possession of the Atomic Bomb upon the Security of the United States and upon the Probabilities of Direct Soviet Military Action (CIA: ORE 91–49, April 6, 1950, declass January 1, 1945), 27; Yuri Kase, “The Costs and Benefits of Japan’s Nuclearization: An Insight into the 1968/70 Internal Report,” The Nonproliferation Review 8, no.2 (Summer 2001), 55–68
3. Selig Harrison, “Japan and Nuclear Weapons,” in Selig Harrison, ed., Japan’s Nuclear Future (Washington, DC: Carnegie Endowment, 1996), 3–44
4. Robert Norris, William Arkin, and William Burr, “Where They Were: How Much Did Japan Know?” Bulletin of the Atomic Scientists 56, no. 1 (January/February 2000), 11–13
5. Kurt Campbell and Tsuyoshi Sunohara, “Japan: Thinkingthe Unthinkable,” in Kurt Campbell, Robert Einhorn, and Mitchell Reiss, eds., The Nuclear Tipping Point (Washington, DC: Brookings Institution Press, 2004), 218–253