RT Book T1 The relationship between patrol activities of Cook County, Illinois, sheriff's police officers, and their recruit training A1 Grosskopf, Edmund W. LA English PP Ann Arbor, Mich. PB Univ. Microfilms Internat. YR 1986 UL https://krimdok.uni-tuebingen.de/Record/1091028214 K1 Hochschulschrift