Updated regularly. Provides indexing for some 400 periodicals, including full text for over 200 titles, in areas related to communication and mass media. CMMC incorporates CommSearch (formerly produced by the National Communication Association (NCA)), and Mass Media Articles Index (formerly produced by Pennsylvania State University). CommSearch offered bibliographic and keyword references to 26 journals in communication studies, with coverage extending to the inaugural issue of each -- some from as far back 1915. It also included cover-to-cover indices of NCA's six journals (from their first editions to the present), and abstracts from their earliest appearance in NCA journals. Mass Media Articles Index provided citation coverage of over 40,000 articles related to mass media and published in over 60 research journals, as well as major journalism reviews, recent encyclopedias, and handbooks in the area of communications studies.