Id Url Resource class Title Description Source https://policing.umhistorylabs.lsa.umich.edu/s/detroitunderfire/item/582 Detroit Urban League Report, 1958 DPD Precinct Map Detroit Urban League, "The Detroit Police Department’s Policy and Practice in the Recruitment and Assignment of Police Officers," December 1, 1958, Detroit Police (1 of 2), Box 17, Francis. A Kornegay Papers, Bentley Historical Library, University of Michigan