This six-volume set is the complete edition of the Yearbook of International Organizations. Unchallenged in this field of reference since 1910, the Yearbook of International Organizations provides the most extensive coverage of non-profit international organizations available today.

The six thematic volumes include:
Vol 1A and 1B: Organization Descriptions and Cross-References
Vol 2: Geographical Index — A Country Directory of Secretariats and Memberships
Vol 3: Global Action Networks — A Subject Directory and Index
Vol 4: International Organization Bibliography and Resources
Vol 5: Statistics, Visualizations and Patterns
Vol 6: Who's Who in International Organizations