Arms control
These are the following:

Antarctic Treaty, signed 1959, entered into force 1961
Outer Space Treaty, signed and entered into force 1967
Seabed Arms Control Treaty, signed 1971, entered into force 1972

Treaties not entered into force: Comprehensive Test Ban Treaty, signed 1996 – prohibits nuclear weapons testing

Proposed treaties: Fissile Material Cut-off Treaty – would prohibit all further production of fissile material
Nuclear weapons convention – would prohibit nuclear weapons

Export control regimes: Zangger Committee since 1971
Nuclear Suppliers Group (NSG) since 1974
Australia Group since 1985
Missile Technology Control Regime (MTCR), since 1987
Wassenaar Arrangement, since 1996

Nonbinding declarations: Ayacucho Declaration 1974

Arms control organizations: The intergovernmental organizations for arms control are the following:

International Atomic Energy Agency (IAEA)
Organisation for the Prohibition of Chemical Weapons (OPCW)
Organization for Security and Cooperation in Europe (OSCE) which has other functions besides arms control
Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO PrepCom)
Conference on Disarmament (CD)
United Nations Office for Disarmament Affairs (UNODA)
United Nations Institute for Disarmament Research (UNIDIR)
the now disbanded United Nations Monitoring, Verification and Inspection Commission (UNMOVIC), the successor to United Nations Special Commission (UNSCOM)
failed proposal for Organisation for the Prohibition of Biological Weapons
There are also numerous non-governmental organizations that promote a global reduction in nuclear arms and offer research and analysis about U.S. nuclear weapons policy.  Pre-eminent among these organizations is the Arms Control Association, founded in 1971 to promote public understanding of and support for arms control.  Others include:

Federation of American Scientists (FAS)—founded in 1945 as the Federation of Atomic Scientists by veterans of the Manhattan Project.
Campaign for Nuclear Disarmament—a leading disarmament organization in the United Kingdom, founded in 1957.
Peace Action—formerly SANE (the Committee for a Sane Nuclear Policy), founded in 1957
Physicians for Social Responsibility (PSR)—founded by Bernard Lown in 1961.
Council for a Livable World—founded in 1962 by physicist Leó Szilárd and other scientists who believed that nuclear weapons should be controlled and eventually eliminated.
Stockholm International Peace Research Institute (SIPRI)—founded in 1966.
Union of Concerned Scientists (UCS)—founded in 1969 by faculty and students at the Massachusetts Institute of Technology.
Arms Control Association—founded in 1971.
Center for Arms Control and Non-Proliferation—founded in 1980 as a sister organization to the Council for a Livable World.
International Physicians for the Prevention of Nuclear War (IPPNW)—founded in 1981.
Alliance for Nuclear Accountability—a national network of organizations working to address issues of nuclear weapons production and waste cleanup, founded in 1987 as the Military Production Network.
Global Zero—founded in 2008.
T.M.C. Asser Instituut—founded in 1965.

See also: 

References: 

Further reading: Adelman, Kenneth L. (1986). "Arms control and human rights". World Affairs. 149 (3): 157–162. JSTOR 20672104.
Amnesty International (2014). "Arms control and human rights". amnesty.org. Amnesty International.
Bailes, Alyson J. K. "The changing role of arms control in historical perspective." in Arms Control in the 21st Century (2013): 15-38.
Coe, Andrew J. and Jane Waynman. 2019. "Why Arms Control Is So Rare." American Political Science Review. doi:10.1017/S000305541900073X|
Croft, Stuart. Strategies of arms control: a history and typology (Manchester University Press, 1996).
Foradori, Paolo, et al. eds. Arms Control and Disarmament: 50 Years of Experience in Nuclear Education (2017) excerpt
Forsberg, Randall, ed., Arms Control Reporter 1995–2005. Cambridge: MIT Press, 1995–2004.
Gillespie, Alexander. A History of the Laws of War: Volume 3: The Customs and Laws of War with Regards to Arms Control (Bloomsbury Publishing, 2011).
Glynn, Patrick. Closing Pandora's Box: Arms Races, Arms Control, and the History of the Cold War (1992) online
Graham Jr, Thomas. Disarmament sketches: Three decades of arms control and international law (University of Washington Press, 2012).
Kaufman, Robert Gordon. Arms Control During the Pre-Nuclear Era (Columbia University Press, 1990).
Larsen, Jeffrey A. Historical dictionary of arms control and disarmament (2005) online
Mutschlerm, Max M. Arms Control in Space: Exploring Conditions for Preventive Arms Control (Palgrave Macmillan, 2013).
Reinhold, Thomas, and Christian Reuter. "Arms control and its applicability to cyberspace." in Information Technology for Peace and Security: IT Applications and Infrastructures in Conflicts, Crises, War, and Peace (2019): 207-231.
Smith, James M. and Gwendolyn Hall, eds. Milestones in strategic arms control, 1945–2000: United States Air Force roles and outcomes (2002) online
Thompson, Kenneth W., ed. Presidents and Arms Control: Process, Procedures, and Problems (University Press of America, 1997).
Williams Jr, Robert E., and Paul R. Viotti. Arms Control: History, Theory, and Policy (2 vol. ABC-CLIO, 2012).
Young, Nigel J. ed. The Oxford International Encyclopedia of Peace (4 vol. 2010) 1:89–122.

Primary sources: U.S. Arms Control and Disarmament Agency. Arms Control and Disarmament Agreements: Texts and Histories of the Negotiations (1996) ISBN 9780160486890

External links: online books on arms control (on Internet Archive)
Arms Control and Nonproliferation: A Catalog of Treaties and Agreements Congressional Research Service, May 8, 2018.
"The Arms Trade Treaty at a Glance". armscontrol.org. Arms Control Association. July 2013.

National Counterproliferation Center – Office of the Director of National Intelligence (archived 28 April 2015)
UN – Disarmament Affairs
Center for Arms Control and Non-Proliferation
Council for a Livable World (archived 11 July 2007)
Stockholm International Peace Research Institute's Research on Arms Control and Non-Proliferation (archived 17 February 2011)
Lecture by Masahiko Asada entitled Nuclear Weapons and International Law in the Lecture Series of the United Nations Audiovisual Library of International Law
Disarmament insight website