When researching any topic, reference resources are an excellent place to get started. Like your textbook, they are an excellent starting place for establishing areas of common knowledge and fact and are a natural foundation for identifying and defining key concepts and terms that may be used for finding related and more in-depth resources. Reference resources take on a variety of formats and purposes:
While there are many more online resources than a few years ago, there are still many invaluable print resources that still exist in the 4th Floor Reference Room of the Library.
Increasingly, journal publication is going towards an OpenAccess model of publication. This means that the research and scholarship being published is freely available (though still usually undergoes a stringent peer-reviewed process). The links below will take you to some of the major aggregators of OpenAccess Journals, particularly in the fields of Language and Literature. Many of these titles and articles will not appear in searches from the Library site, so browsing and exploring the content is a good way to find additional resources.