http://en.wikipedia.org/wiki/Closed-end_fund
http://www.economics.harvard.edu/faculty/shleifer/files/InvestorSentiment.pdf
Control Premiums and Minority Discounts - a general article
CEFConnect - Information on many US CEFs and screening tools. Sponsored by Nuveen (a major US CEF provider)
M* Discussion Board - Morningstar's CEF Discussion Board Started October 1998
http://seekingalpha.com/article/275651-cef-weekly-review-a-convergence-of-uncertainty
Steven F. Freeman