Id Url Resource class Title Description Source https://policing.umhistorylabs.lsa.umich.edu/s/crackdowndetroit/item/6282 Ken Cockrel-Abolish STRESS Campaign Ken Cockrel Speaks at Abolish STRESS event, n.d. [probably spring 1972], Box 19, Folder 2, Kenneth V. and Sheila M. Cockrel Collection, Walter P. Reuther Library, Archives of Labor and Urban Affairs, Wayne State University