• Documents of the Human Rights Treaty Bodies
• Documents of the UN Human Rights Council 
• ECOSOC Documents

Resolutions and decisions, reports, ministerial statements, ...

• Index to proceedings
• InforMEA

United Nations information portal on multilateral environmental agreements with more than 50 global and regional environment-related conventions, including lists of parties, geographical coverage, ...

• Repertoire of the practice of the Security Council 

Agenda items, procedural issues, constitutional issues, subsidiary bodies, ...

• UN action to counter terrorism

Overview of international legal instruments on combating terrorism

• UN Appeals Tribunal 
• UN Dispute Tribunal 
• UN Human Rights Documentation 
• UN News Centre

Developments at UN level

• UN Official Documents System

includes all kinds of official United Nations documentation (e.g. resolutions of the General Assembly or the Security Council, letters to the UN Security Council, verbatim reports of the UNGA and UN Security Council meetings, etc.)

• UNCITRAL Texts - United Nations Commission on International Trade Law
• UNECE Treaties

Conventions adopted under the auspices of the United Nations Economic Commission for Europe

• UNEP

United Nations Environment Programme

• UNGA resolutions

United Nations General Assembly - from 1945, per session

• UNHCR

human rights treaties with a focus on refugee rights

• United Nations Administrative Tribunal 
• United Nations Documents Index
• United Nations Juridical Yearbook

Documentary material of a legal nature on the United Nations and related intergovernmental organisations

• United Nations Library
• United Nations Office for Outer Space Affairs

Space law treaties and principles

• United Nations Treaty Collection
• United Nations Treaty Series (UNTS)

Official treaty database of the United Nations (cf. Article 102 UN Charter). Largest collection of treaties (in all areas of international law; both bilateral and multilateral). Also provides up-to-date information on participation in treaties (ratifications, etc.), lists of reservations, objections and declarations, etc.

• United Nations Yearbooks

Overview of UN activities per year

• UNODC

Overview of Conventions on Crime, Drugs and Terrorism

• UNSC documents

UN Security Council - resolutions/presidential statements/press statements, reports of the Secretary-General, ...