Joseph Stiglitz, World Bank's Chief Economist: Knowledge as a Global Public Good.

Michele Boldrin and David K. Levine: Economic and Game Theory Against Intellectual Monopoly

Tales from the Public Domain: BOUND BY LAW? (A comic explains CC-Law)

Basics in a 10min video: A Fair(y) Use Tale - Disney Parody explanation of Copyright Law and Fair Use

Glyn Moody: Learning the lesson: open content licensing - History of different licenses

Lawrence Liang: A Guide To Open Content Licences

Comparsion of different licenses:
1. Free Cultural Works
2. Wikimedia Commons

CC Founder Lawrence Lessig's personal site, with info on his writings and books