Private police (English Wikipedia)

Stringham, Edward (2003). "The Extralegal Development of Securities Trading in Seventeenth Century Amsterdam". Quarterly Review of Economics and Finance. 43 (2): 321. doi:10.1016/S1062-9769(02)00153-9. S2CID 153987773. SSRN 1676251.
DeAngelis, Corey (2018). "Police Choice: Feasible Policy Options for a Safer and Freer Society". SSRN Working Paper Series. doi:10.2139/ssrn.3194200. ISSN 1556-5068. SSRN 3194200.

dover-express.co.uk

Joh, Elizabeth E. (2005), Conceptualizing the Private Police, vol. 2005, Utah L. Rev., p. 573

Stringham, Edward (2008). Anarchy and the Law: The Political Economy of Choice. Transaction Publishers for the Independent Institute. ISBN 978-1-41280-579-7. Retrieved January 8, 2015.

"Metro Special Police Department". About Metro Special Police Department. Retrieved May 5, 2024.

Tinsley, Patrick (1999), Private Police: A Note (PDF), Journal of Libertarian Studies

Stringham, Edward (2003). "The Extralegal Development of Securities Trading in Seventeenth Century Amsterdam". Quarterly Review of Economics and Finance. 43 (2): 321. doi:10.1016/S1062-9769(02)00153-9. S2CID 153987773. SSRN 1676251.

Stringham, Edward (1999). "Market Chosen Law". Journal of Libertarian Studies. 14 (1): 53–77. SSRN 1676257.
Stringham, Edward (2003). "The Extralegal Development of Securities Trading in Seventeenth Century Amsterdam". Quarterly Review of Economics and Finance. 43 (2): 321. doi:10.1016/S1062-9769(02)00153-9. S2CID 153987773. SSRN 1676251.
DeAngelis, Corey (2018). "Police Choice: Feasible Policy Options for a Safer and Freer Society". SSRN Working Paper Series. doi:10.2139/ssrn.3194200. ISSN 1556-5068. SSRN 3194200.

Button, Mark (2019). "What is private policing?". Private policing (2nd ed.). London: Routledge. p. 20. ISBN 9781351240772.

Campbell, Bruce (September 21, 2022). "Why major Canadian railways must no longer be permitted to police themselves". The Conversation. Retrieved February 16, 2024.

Suburban, Joel Goldenberg The. "Rethink policing to save hundreds of millions: MEI". The Suburban Newspaper. Retrieved October 5, 2021.

DeAngelis, Corey (2018). "Police Choice: Feasible Policy Options for a Safer and Freer Society". SSRN Working Paper Series. doi:10.2139/ssrn.3194200. ISSN 1556-5068. SSRN 3194200.