Searchable, browsable, and with more than 300 entries, this work provides a comprehensive overview of communication theories based in a variety of disciplines. Current descriptions of theories are available here as well as the background issues and concepts that comprise these theories. Many relevant subsets of communication theory are covered including organizational, feminist, philosophical, linguistic, and media. In addition to alphabetical listings, users may access entries via an index of 17 topical categories. Lists of theorists and a chronology of major themes and developments affecting communication theory--from classical times to the present--are also very useful.