Mansoor Ahmed
International Security Program, Belfer Center, Harvard University, USA

William Alberque
Director, Arms Control, Disarmament, Non-Proliferation, NATO
The NPT and the Origins of NATO's Nuclear Sharing Arrangements

Målfrid Braut-Hegghammer
Associate Professor of Political Science, University of Oslo, Norway
Ariel E. Levite, Never Say Never Again: Nuclear Reversal Revisited, International Security, vol. 27, No. 3 (Winter, 2002-2003), pp. 59-88
Alexander H. Montgomery, Scott D. Sagan, The Perils of Predicting Proliferation, Journal of Conflict Resolution, Vol 53, Issue 2, 2009

Sérgio Duarte
President of Pugwash, Former UN High Representative for Disarmament Affairs
Erosion of the Disarmament Architecture and the Consequences for the International Security System
The Nuclear Weapon Ban Treaty and the non-proliferation Treaty
The impact of recent events on multilateral disarmament efforts
Linking Proliferation and Arms Control: Understanding Regional Nuclear Orders
Commemoration of the 50th Anniversary of the Conclusion of the Treaty on the non-proliferation of Nuclear Weapons (NPT)

Matthew Evangelista
Cornell University, Ithaca, NY, USA
Nuclear Weapons
"Blockbusters, Nukes, and Drones: trajectories of change over a century"
"Donald Trump and the Limits of International Law"
Carol Cohn, "Slick 'ems, Glick 'ems, Christmas Trees, and Cookie Cutters: Nuclear Language and How We Learned to Pat the Bomb," Bulletin of the Atomic Scientists, June 1987.
Elisabeth Eaves, "Beatrice Fihn explains why nuclear weapons are a scam" Bulletin of the Atomic Scientists, July 2018.

Mark Fitzpatrick
Executive Director, International Institute for Strategic Studies-Americas, UK
Kim Jong-un's Singapore Sting
Interactive war game published on 24 May in the New York Times web version: link

Paolo Foradori
Associate Professor, School of International Studies, University of Trento, Italy

Karim Kamel
Program analyst, The Carnegie Corporation of New York, NY, USA

Mauro Oliva
Master on Organizations Management and Church Social Doctrine, Univ. Rome "T.V."
Discorso Del Santo Padre Francesco Ai Membri Del Corpo Diplomatico

Tariq Rauf
Former Head of Verification and Security Policy Coordination, IAEA, (Canada)
Group of Eminent Persons for Substantive Advancement of Nuclear Disarmament - Ministry of Foreign Affairs of Japan
United Nations Treaty Collection
Cooperation or Conflict? Walking the Tightrope of NPT and Ban Treaty Supporters
Policy Brief No 48 - Fiftieth Anniversary of the Nuclear Non-Proliferation Treaty: Preparing for a Successful Outcome
Policy Brief No 58 - Folding the Umbrella: Nuclear Allies, the NPT and the Ban Treaty
Reflections on the treaty on the non-proliferation of nuclear weapons
Perspectives on disarmament and continued relevance of the recommendations of the Blix Commission
Engagement on nuclear disarmament between nuclear weapon-possessing states and non-nuclear weapon states
Reintroducing Disarmament and Cooperative Security to the Toolbox of 21st Century Leaders
SIPRI co-hosts panel discussion on the Nuclear-Test-Ban Treaty

Laura Rockwood
Executive Director, Vienna Center for Disarmament and Non-Proliferation, Austria

Manpreet Sethi
Senior Fellow, Center for Air Power Studies, New Delhi, India

Ali A. Soltanieh
Former Iran's ambassador to the International Atomic Energy Agency
The Future of Security and Defense of Europe
Research Report on a "Nuclear Option" to save the NPT?

Nina Tannenwald
Watson Institute, Brown University, Providence, RI, USA
Meeting the Challenges of the New Nuclear Age: Emerging Risks and Declining Norms in the Age of Technological Innovation and Changing Nuclear Doctrines

Carlo Trezza
Istituto Affari Internazionali, Roma, Italy
NPT Treaty
CTBT Treaty
Treaty on the Prohibition of Nuclear Weapons

Jon Wolfsthal
Director, Nuclear Crisis Grp, Global Zero; Former Assistant to President Obama, USA

Tong Zhao
Carnegie-Tsinghua Center for Global Policy, Beijing, China
Cunningham, Fiona S., and M. Taylor Fravel. "Assuring Assured Retaliation: China's Nuclear Posture and U.S.-China Strategic Stability." International Security 40, no. 2 (October 2015): 7–50.
Elbridge A. Colby and Wu Riqiang, "Seeking Strategic Stability for U.S.-China Relations in the Nuclear Domain."
Tong ZHAO, "A Response to Lewis A. Dunns Proposal of 'Strategic Elimination of Nuclear Weapons.'"
The first is an International Security article, which the readers can access through their own subscriptions. The other two articles are freely available through the respective links.