This is the expanded third edition of a book that lists research, organizations, and publications in the field of communications. The book's first three sections are guides to research, listing universities with communications research programs, nonacademic institutions that conduct communications research, and organizations that support communications research. Five sections list communications organizations, media action groups, United States and Canadian governmental policy-making bodies, communication law courses, and international and overseas organizations. Guides to media materials include special libraries and resources, communications periodicals, books, bibiliographies, and films. (RL)