They just keep coming.
http://www.earthfederation.info/links.html

World Law
http://www.radford.edu/~gmartin/

It provides, therefore, a "public freedom," far transcending mere "private freedom," that brings the historical human quest for freedom to fulfillment within carefully designed planetary institutions. While civil liberties are necessary to a free republic, they are not sufficient – a level of "public freedom" must emerge in which citizens themselves engage directly in governing. The thousands of world citizens involved in the development of the Earth Constitution over the space of 33 years from 1958 to 1991 designed a brilliant framework for planetary public freedom, providing for the citizens of Earth to participate in self-government in the multiplicity of ways detailed within the Constitution.