Backgrounder on Korean Peninsula: Nuclear Disarmament/De-escalation of Conflict, February 2019
Letter to National Security Advisor McMaster Regarding North and South Korea and Denuclearization of Peninsula, February 26, 2018
Letter to Secretary of State Tillerson on Nuclear Non-Proliferation Efforts, October 3, 2017
Letter to Secretary of State Tillerson on Korea, August 10, 2017
Korean Statements Attached to Letter to Secretary of State Tillerson, August 10, 2017
Letter to Secretary of State Tillerson on Korean Peninsula and Nuclear Weapons, August 10, 2017
Backgrounder on Nuclear Weapons, March 2017
Blessed are the Peacemakers Reflections on Two Anniversaries, August 4, 2003
Letter to U.S. Senate on Nuclear Weapons Research Funding, July 18, 2005
Nuclear Weapons and Moral Questions: The Path to Zero, July 29, 2009
Backgrounder on Nuclear Arms Treaties, February 2011
Statement of Religious Leaders on North Korea, July 17, 2007