Cornell Research Guides
Bibliographies on many, many topics (a few pertinent individual titles listed below). Provides introductions to each topic area, and includes guides to introductory works, textbooks, guidebooks, journals, reference works etc., and links to useful websites.
Offers peer-reviewed annotated bibliographies on specific topics in a growing range of subject areas. There are at least 50 specific topical bibliographies in each subject area. Each of these features an introduction to the topic. Bibliographies are browseable by subject area and keyword searchable.
Help from Oxford: Anatomy of an Article