Web of Knowledge (Web of Science) and Scopus are two databases which maintain citation statistics on the articles indexed in these databases. For search tips and additional citation analysis options, see the Library's Citation Analysis webpage.
Print Resources:
Yearbook of International Organizations - A six-volume directory of agencies throughout the world and a variety of essays related to the growth and proliferation of non-governmental and inter-governmental organizations.
The Right Guide: A Guide to Conservative and Right of Center Organizations - Detailed guide to a variety of right and right-leaning organizations includes (dated) information on the purpose of the organization, membership and publications.
The Left Guide: A Guide to Left-of-Center Organizations - Compilation of leftist and left-leaning organizations includes (dated) information on the purpose of the organization, membership and publications.