Books, Audio-visual Materials, etc.
You are encouraged to search MLA International Bibliography (MLAIB) and Literature Online (LION) in tandem as they are both powerful and have surprisingly little overlap in results. LION includes the British Annual Bibliography of English Language and Literature.
For British and American literature: Literature Online (LION)
Dictionaries and Encyclopedias:
Oxford Reference Online - See the Literature section
MLA Literary Research Guide - A selective, annotated guide to reference sources essential to the study of British literature, literature of the United States, other literatures in English, and related topics.
Research guides are living entities. Please send comments and additional resource ideas to firstname.lastname@example.org.