Barcus, F. E. (1959): Communications content: analysis of the research, 1900 -1958. Ph.D. dissertation, University of Illinois.
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Barcus, Francis Earle. Communications Content Analysis of the Research, 1900-1958: A Content Analysis of Content Analysis. N.p.: n.p., 1959. Print.
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Barcus, F. E. (1959). Communications Content Analysis of the Research, 1900-1958: A Content Analysis of Content Analysis. N.p: University of Illinois.
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