Barr, D. W. 1923-. A model and method for content analysis implementation in a study of magazine covers / [microform] : by D. W. Barr. - Ann Arbor, Mich. : University Microfilms International, 1958. - 1 microfilm reel : positive ; 35 mm. Thesis (M.A.) - University of Illinois, 1958. Subjects--Topical Terms: Magazine cover.Magazine design.