These indices will help you find out about a particular agency that involves volunteers.

• GuideStar - Philanthropic Research Inc.: search the database of comprehensive reports describing the programs and finances of over 40,000 American nonprofit organizations

• Internet Non-Profit Center - visit the library for publications, information and data about nonprofit organizations and the nonprofit sector; locate any charity in the US with the Nonprofit Locator; browse information drawn directly from nonprofits themselves, including brochures, annual reports and home pages in the gallery; chat with others in the parlor