Cultural studies, public space, freedom of expression, social construction of taboo, history of literacy, written language practice as a system of cultural authority, symbols and rituals of nationalism, social impact of communication technologies, history of communication technologies.
Blood Sacrifice and the Nation: Totem Rituals and the American Flag. With David W. Ingle. (Cambridge: Cambridge University Press, 1999). Cambridge Cultural and Social Studies, ed. Jeffrey Alexander.
When Old Technologies Were New: Thinking About Communication in the Late Nineteenth Century (New York: Oxford University Press, 1988; paperback, 1990); Quando le Vecchie Technologie erano Nuove (Turin: VTET-Libreria, 1995)
Christian R. and Mary F. Lindback Foundation Award for Distinguished Teaching, University of Pennsylvania, 1992
Franklyn S. Haiman Award for Outstanding Scholarship in Freedom of Expression, Speech Communications Association, 1990
Senior Fulbright-Hays Lecturer in American Studies, Central London Polytechnic, 1979
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