Search across dozens of subject specific encyclopedias covering all areas of communication, popular culture, social issues, politics, history and more.

From Wiley-Blackwell, a comprehensive encyclopedia that covers all areas of communication and communication theory.

From Oxford University Press. The Encyclopedia of Rhetoric is a comprehensive survey of rhetorci. Its 150 entries, bring together expertise in classical studies, philosophy, literature, literary theory, cultural studies, speech, and communications in a comprehensive treatment of the art of persuasion.

The Encyclopedia of International Media and Communications exhaustively explores the ways that editorial content--from journalism and scholarship to films and infomercials--is developed, presented, stored, analyzed, and regulated around the world. For readers and researchers of all levels, the Encyclopedia provides perspective and context about content, delivery systems, and their myriad relationships, as well as clearly drawn avenues for further research.

A great guide on writing social science papers in general. This page is for the literature review specifically.

A nice tutorial that walks you through the lit review process

A nice discussion of what a literature review is and ideas on how to get started.