Alliance for Nonprofit Management
Association for Healthcare Philanthropy
Association of Fundraising Professionals
Center on Nonprofits and Philanthropy
Charity Channel
Council of Better Business Bureaus
The Chronicle of Philanthropy
The Chronicle of Higher Education
Corporate Philanthropy Report
Council on Foundations
Council for Aid to Education
Ford Foundation
Foundation Center
Fundraisinginfo.com
Global Fundraising Jobs
Guidestar
Internal Revenue Service
Internet Nonprofit Center
National Black United Fund
National Catholic Development Conference
National Center for Charitable Statistics
National Council of Nonprofit Associations
National Society of Grant Writing Professionals, Inc.
Nonprofit Overhead Cost Project - Guides and Briefs available (pdf)
Nonprofit Times
Philanthropy Journal
Philanthropy Journal's Nonprofit Jobs
Taxwise Giving & Philanthropy Tax Institute
Women's Philanthropy Institute at the Center on Philanthropy, Indiana University