Thelin, John R., and Richard W. Trollinger, 2009. Time Is of the Essence: Foundations and the Policies of Limited Life and Endowment Spend-Down. Washington, DC: Program on Philanthropy and Social Innovation, Aspen Institute. Includes case studies of the Corella and Bertram F. Bonner Foundation; the General Education Board; the Julius Rosenwald Fund; and the Mary Flagler Cary Charitable Trust.
