- About Giving Circles, Giving Circles Network.
- “Across Generations: A Five-Step Guide for Creating an Expression of Donor Intent,” The Philanthropic Initiative.
- Charles Collier, Wealth in Families (Harvard University Press, 2001).
- Giving Pledge website.
- “Giving Together: A Primer for Family Philanthropy,” The Philanthropic Initiative, 2006.
- Quentin Hardy, “The Radical Philanthropist,” Forbes, May 2000.
- IRS website on public charities.
- Omidyar Network, accessed July 2011.
- Pierre Omidyar, “How I Did It: EBay’s Founder on Innovating the Business Model of Social Change,” Harvard Business Review, September 2011.
- Thomas J. Tierney and Joel L. Fleishman, Give Smart: Philanthropy That Gets Results (Public Affairs, 2011).
- “What is a Foundation?,” FoundationCenter.
- Amy Zell, “Giving Guide: What’s Important to You?,” Greater Kansas City Community Foundation.