Companions and handbooks are very helpful kinds of sources. They are edited by leading scholars in the particular areas of research, and those editors commission researchers to write individual essays on the subjects which are their areas of interest. As a result, students get a much better understanding of the issues involved in a particular subject area, since the authors go beyond factual summaries to analysis of differing arguments in the field.
This series provides extensive annotated bibliographies on specific topics in many different fields. They are written by scholars with the aim of introducing students to important issues and key authors. The different subject sections are all under development with new essays added twice a year. Bibliographies of use for your projects include: