Center for the Study of Innovative Freedom http://c4sif.org/ http://c4sif.org/resources/
Molinari Institute—Anti-Copyright Resources http://praxeology.net/anticopyright.htm
Against Intellectual Property by N. Stephan Kinsella, Esq. http://mises.org/books/against.pdf (.pdf, 70 pages, 342 KB) http://www.stephankinsella.com/publications/#againstip