1. Acs, Z. J., and Braunerhjelm, P. (2005). The entrepreneurship–philanthropy nexus: Implication for internationalisation. Management International Review, 45(3), 111–144.
2. Acs, Z. J., and Phillips, R. J. (2002). Entrepreneurship and philanthropy in American capitalism. Small Business Economics, 19(3), 189–204.
3. Adam, T. (2004). Philanthropy, Charity and Civil Society: Experiences from Germany, Great Britain and North America, Bloomington, Indiana University Press
4. Aksartova, S. (2003). In search of legitimacy: Peace grant making of U.S. philanthropic foundations, 1988–1996. Nonprofit and Voluntary Sector Quarterly, 32(1), 25–46.
5. Anheier, H. K. (2001). Foundations in Europe: A comparative perspective. Civil Society working paper 18, London School of Economics, http://www.lse.ac.uk/collections/CCS/pdf /CSWP18-revised_july_2001.pdf