» American Land Rights Association
   A grassroots, non-profit private property rights/multiple-use advocacy organization.
   http://www.landrights.org/

» Coalition for Property Rights (CPR)
   A grassroots organization made up of citizens concerned about the erosion of property rights in the US. Has a particular emphasis on Florida.
   http://www.proprights.com/

» General Theory of the State and Social Evolution
   Online book about property relations, social evolution, monopolization and the State. Introduces conception of the State as a production factor monopoly.
   http://www.geocities.com/alexanderosadchey/Table_Of_Content.html

» International Union of Property Owners (UIPI)
   The International Union defending private real estate property rights worldwide, with members from more than 20 European countries, established in 1923.
   http://uipi.com

» Kitsap Alliance of Property Owners
   A property owners group in Kitsap County, Washington, opposing unreasonable government regulation of private property.
   http://www.kitsapalliance.org/

» Liberty Matters
   Established by three regional property rights organizations to advance the grassroots property rights movement in America; works closely with conservative and libertarian think tanks.
   http://www.libertymatters.org/

» Property Rights Congress of America (PRC)
   A coalition of advocacy and educational groups and individuals formed to educate the public about and defend proeprty rights. Mailing list, news updates, horror stories.
   http://www.freedom.org/prc/

» Property Rights Foundation of America
   An advocacy group for private property rights. Political research, action alerts and analysis.
   http://www.prfamerica.org/

» Property Rights Research
   A coalition of US land and natural resource owners. Tracks coverage of the property rights issue.
   http://www.propertyrightsresearch.org/

» Texas Landowner's Council
   Information for protecting land owners rights in the state of Texas.
   http://www.texaslandownerscouncil.com

» The National Association of Reversionary Property Owners (NARPO)
   Opposes rail to trail conversions, with emphasis on cases in Kansas.
   http://home.earthlink.net/~dick156/

» Today's Property Rights News
   Timely property rights headlines from all over the United States. Information for landowners, ranchers, and others dedicated to promoting ownership and constitutional rights.
   http://www.freedom.org/prnews/index.shtml