External Resources


A collection of official UN websites, reference materials and other external resources relevant to understanding and engaging with General Assembly practice.

UN reference sources and guides

UN Charter (opens in new tab)

Founding treaty of the United Nations, setting out the powers and functions of its principal organs.

Yearbook of the United Nations (opens in new tab)

Annual reference providing narrative coverage of the UN’s principal activities, deliberations and decisions across major areas of its work.

UN Documentation and Research Guides (opens in new tab)

Guides and resources for locating and researching UN documents, including by principal organ, document type and subject.

Dag Hammarskjöld Library Resources & Collections (opens in new tab)

UN research resources and guidance for locating documents, resolutions, voting records and other information.

Repertoire of the Practice of the Security Council (opens in new tab)

Reference on SC practice, including its interpretation and application of the UN Charter and its Provisional Rules of Procedure.

Repertory of Practice of United Nations Organs (opens in new tab)

Analytical studies of the decisions of the UN’s principal organs, providing a legislative history and understanding of the practice associated with each Article of the Charter. Mandated by the GA in 1953.

United Nations Juridical Yearbook (opens in new tab)

Annual reference compiling legal materials and developments concerning the UN and related organizations, including legal opinions, treaties and judicial decisions.

Handbooks, databases, and other reference materials

Selected UN and external handbooks, databases and reference tools for readers seeking further information on the peace and security issues, situations and areas of practice covered in this Handbook.

The GA Handbook: a practical guide to the United Nations General Assembly

Practical guide to the GA’s procedures, working methods and institutional practice, current up to the 78th session. Produced by the Permanent Mission of Switzerland to the UN.

UN Sanctions App

A regularly updated reference tool on UN sanctions, with overviews of the evolution of sanctions regimes over time and information on types of sanctions and assessments of their effectiveness. Developed and maintained by scholars affiliated with the Graduate Institute of Geneva.

ICRC Customary International Law Study 

Reference database on rules of customary international humanitarian law and the international practice underlying them. Developed and regularly updated by the International Committee of the Red Cross (ICRC).

UN Peace Mission Mandates 

Searchable data on the mandates of UN peacekeeping operations, special political missions and good offices engagements since 1948. Developed by researchers at the Geneva Graduate Institute and ETH Zürich

United Nations Handbook 2025-26 (opens in new tab)

A comprehensive reference guide to the structure, membership and mandates of UN organs, agencies and bodies. Produced annually by New Zealand’s Ministry of Foreign Affairs and Trade since 1961.

UN Special Political Missions 1945-2025: An Overview (opens in new tab)

Overview of UN special political missions from 1945 to 2025, documenting the evolution of their mandates, functions and forms across eight decades of UN practice. Developed by the UN Department of Political and Peacebuilding Affairs.

User Guide

For brevity, the Assembly for Peace Handbook (2024) and this website use acronyms for United Nations (UN), General Assembly (GA) and Security Council (SC) wherever they occur. For a full list of all acronyms used and other style guidance visit the About page.