Id	Url	 Resource class 	Title	Description	Source
	https://policing.umhistorylabs.lsa.umich.edu/s/detroitunderfire/item/5615		 Political Surveillance Map from Cockrel Files 		 Box 2, Kenneth V. and Sheila M. Cockrel Collection, Walter P. Reuther Library, Archives of Labor and Urban Affairs, Wayne State University.
Interactive version: https://arcg.is/ObXr0 