Brookings Institution: Brookings Institution is an American nonprofit, nonpartisan, public policy think tank. The link opens to Brookings' North Korea page, listing research and commentary.
Carnegie Endowment for International Peace: The Carnegie Endowment's website about the Korean Peninsula, where experts assess the proliferation risk North Korea's nuclear program poses. Experts also asses the policy options available as the global community gains a better understanding of the program.
Council on Foreign Relations: Council on Foreign Relations is an American, nonpartisan, foreign policy think tank. Content of this link is specifically North Korea, found in the Northeast Asia region subheading.
Council on Foreign Relations: Council on Foreign Relations is an American, nonpartisan, foreign policy think tank. Content of this link is specifically North Korea, found in the Northeast Asia region subheading.
FY 2010 Defense Authorization HR 2647 CR 111-288: This brief lists the mentions of the DPRK in the FY 2010 Defense Authorization HR 2647 CR 111-288

Foreign Policy