Union of International Associations.

• World Guide to Religious & Spiritual Organizations
• Yearbook of International Organizations
• Yearbook of International Organizations 1996/1997
• Yearbook of International Organizations 1999-2000: Geographic Volume, International Organization Participation
• Yearbook of International Organizations 1999/2000: Bibliographic Volume
• Yearbook of International Organizations 2000-2001
• Yearbook of International Organizations 2000-2001/4 Volumes Bound in 5 Books (Yearbook of International Organizations)
• Yearbook of International Organizations 2000-2001: Guide to Global Civil Society Networks
• Yearbook of International Organizations 2001/2002: Guide to Global and Civil Society Networks
• Yearbook of International Organizations 2002/2003
• Yearbook of International Organizations 2003/2004
• Yearbook of International Organizations 2005/2006