Contains information for approximately 460,000international and U.S. national, regional, state, and local nonprofit membership organizations in all fields, including IRS data on U.S. 501(c) nonprofit organizations.

• 学会机构名录,含约46万个国际性及美国国家、地区、州和地方性非赢利组织的资料，包括准确的名称、网址、联系方式、机构背景、出版物、联系人等。