Blake, MichaelRisse, Mathias2010-02-122009Blake, Michael, and Mathias Risse. 2009. Immigration and original ownership of the Earth. Notre Dame Journal of Law, Ethics and Public Policy 23(1): 133-167.0883-3648http://nrs.harvard.edu/urn-3:HUL.InstRepos:3637073en-USJournal Article