The NYT has published a list of non-proliferation site links:
The following related sites provide further information about nuclear technology and proliferation.
Managing the Atom Project, Belfer Center for Science and International Affairs, John F. Kennedy School of Government, Harvard UniversityConducts policy-relevant research on issues affecting the future of nuclear weapons and nuclear energy technology.
Institute for Science and International SecurityNon-profit, non-partisan institution dedicated to informing the public about science and policy issues affecting international security. Its efforts focus on stopping the spread of nuclear weapons, bringing about greater transparency of nuclear activities worldwide and achieving deep reductions in nuclear arsenals.
Carnegie Endowment for International Peace, Non-Proliferation ProjectClearinghouse of information, maps, chronologies and links on nuclear proliferation.
Nuclear Threat InitiativeNTI works to reduce the global threat from nuclear, biological and chemical weapons and is co-chaired by Ted Turner and Sam Nunn.
Center for Non-Proliferation Studies, Monterey Institute of International StudiesProvides information and analysis to combat the spread of weapons of mass destruction.
Federal Police of Malaysia: Press ReleasePress briefing report by Federal Police of Malaysia on their investigation of the Khan Network. Excellent source of fairly detailed information not normally made available to public.