| American Land Rights Association: A grassroots, non-profit private property rights/multiple-use advocacy organization. |
| 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. |
| Defenders of Property Rights: US national public interest legal foundation devoted to helping private property owners who have been deprived of their property by government actions. |
| 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. |
| 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. |
| Kitsap Alliance of Property Owners: A property owners group in Kitsap County, Washington, opposing unreasonable government regulation of private property. |
| 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. |
| 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. |
| Property Rights Foundation of America: An advocacy group for private property rights. Political research, action alerts and analysis. |
| Property Rights Research: A coalition of US land and natural resource owners. Tracks coverage of the property rights issue. |
| Texas Landowner's Council: Information for protecting land owners rights in the state of Texas. |
| The National Association of Reversionary Property Owners (NARPO): Opposes rail to trail conversions, with emphasis on cases in Kansas. |
| 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. |
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