Content from the Foundation Center's five libraries which hold works on philanthropy. Provides more than 30,000 full bibliographic citations, of which nearly 22,000 have descriptive abstracts. Updated daily.
Part of a large volunteer effort to enhance the free dissemination of Research Papers in Economics or RePEc, which includes bibliographic metadata from over 1,700 participating archives, including all the major publishers and research outlets worldwide.
Includes a large number of papers on the economics and management of nonprofit organizations and many other content types, e.g. journal articles, books, book chapters, etc.
Provides over 1.1 million tax returns from tax-exempt organizations and financial details such as their executive compensation and revenue and expenses. Provided by ProPublica, an independent, nonprofit that produces investigative journalism in the public interest.
List of nonprofit organizations maintained by the IRS. The Business Master File is free to download and is separated into large Excel files for regions of the U.S., all U.S. states (some states will have multiple files if there are a large number of nonprofits in that state), Puerto Rico, and a list for international nonprofits which excludes Puerto Rico.
Search using Nonprofit Organizations Lookup by name, zip code, or tax ID number. Useful to find out what nonprofits are working in a given geographic area of the US. Provides amount of assets and income.