A collection of articles on the kinds of variation in English that one finds within the language of one group or one person includes: "The English Language as Rule-Governed Behavior" (Timothy Shopen); "The English Language as Use-Governed Behavior" (Joseph M. Williams); "Styles" (Ann D. Zwicky); "The Organization of Discourse" (Charlotte Linde); "Literary Style: The Personal Voice" (Joseph M. Williams); "A Researcher's Guide to the Sociolinguistic Variable (ING)" (Benji Wald, Timothy Shopen); and "English in Los Angeles: Searching for a Speech Community" (Benji Wald). (MSE)