Id Url Resource class Title Description Source https://policing.umhistorylabs.lsa.umich.edu/s/detroitunderfire/item/2261 Ad-Hoc Demands Following Cobo Hall I Ad-Hoc Action Group, “Demands,” n.d. [1968], Folder 21, Box 3, Kenneth V. and Sheila M. Cockrel Collection, Walter P. Reuther Library, Archives of Labor and Urban Affairs, Wayne State University