General Assemblies

Large general assembly-style committees
Disarmament and Security Committee (DISEC)
Social, Cultural, and Humanitarian Committee (SOCHUM)

Special Agencies

Large/mid-sized general assembly-style committees
World Bank
UN Development Programme (UNDP)
International Atomic Energy Agency (IAEA)

Crisis Committees

Small committees with full crisis elements
Advisors to Harry Truman (1945)
INTERPOL Headquarters