Margaret A. Blanchard, 1998. Focuses on both informational and entertainment media, covering 1690 to the present. Includes technological, legal, legislative, economic, and political developments, but excludes biographical entries. International Encyclopedia of Communications. Erik Barnow, 1989.
Many entries are composite ones to avoid fragmentation.
Biographical articles are focused on career development, not definitive assessments. Contains many cross-references, bibliographies, and a separate index and topical guide. A one-volume encyclopedia providing introductory material on the major periods, people, concepts and applications of rhetoric. 467 entries include brief identification of figures, terms, and concepts, as well as longer essays. Written for a general as well as a specialized audience.