Directories
Encyclopedia of Associations: International Organizations (Grant J. Eldridge, ed.). Includes extensive listings of organizations, their stated purpose, publications, addresses, etc. Entries are arranged by type of organization, with a separate name index. There is an electronic version called Associations Unlimited, available by subscription.
Volume 1 of the Europa World Year Book contains information on various international organizations, including address, phone and fax numbers.
Giuseppe Schiavone, International Organizations: A Dictionary and Directory (6th ed. 2005) contains directory information for each organization listed along with an overview of its objectives, structure and activities. Membership tables and a list of foundation dates for the organizations covered are also included.
Yearbook of International Organizations includes acronyms
and descriptions of each organization, addresses, telephone and fax
numbers, as well as detailed information about the organization's
structure, purpose and activities. Links
to selected international organizations from the Yearbook are also available.