• Leader to Leader Institute
• IRS Tax Info/Charities & Nonprofits
• ASAE
• Center for Bioethics and Humanities
• Internet Public Library: Nonprofit Organizations
• The American Organization of Nurse Executives
• Center for Excellence in Nonprofits
• Centerpoint for Leaders
• Board Source
• Center for Creative Leadership
• Independent Sector
• Free Management Library for For-Profit and Nonprofit Organizations
• First Gov for Nonprofits
• Legal Information Institute
• The Learning Institute
• National Service-Learning Clearinghouse