1. Anheier, Helmut K. (2005): Nonprofit Organizations. London: Routledge.
2. Anheier, Helmut K./Daly, Siobhan (eds.) (2006): The Politics of Foundations: A Comparative Analysis. New York,/London: Routledge.
3. Bolton, Margaret (2006): Foundations and Social Investment in Europe. Survey report. Report sponsored by European Foundation Center – Social Investment Group. Online available:
http://www.efc.be/ftp/public/PIP/2006/Roundtables/SI_report.pdf
4. Charity Commission (2004): CC14 – investment of charitable funds: basic principles. London: Charity Commission, 16 pp.
http://www.charity-commission.gov.uk/Library/publications/pdfs/cc14text.pdf
or
http://www.charity-commission.gov.uk/supportingcharities/cc14.asp
5. Cooch, Sarah/Kramer, Mark R. (2007): Investing for Impact – Managing and Measuring Proactive Social Investments. Boston: Foundation Strategy Group. Prepared for The Shell Foundation.
http://www.fsg-impact.org/ideas/item/287
.