Why use background or tertiary resources?
Oxford Bibliographies Online:
Bibilographies of topics in many subject areas, with introductions to each topic area, and including 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.