The following sources provide overviews of the history of medicine and science. They are a quick way to find out the basic facts and recent scholarly interpretations.
When using an article in an encyclopedia or handbook, always check the bibliography for further reading at the end of the article. It will provide a selective list of the books, articles, and, frequently, Web resources considered to be the most up-to-date and reliable.
Book reviews from scholarly journals can be especially helpful in laying out an author's argument and addressing issues more broadly within a research area. Often the reviewer will cite other authors and studies that are important for the questions involved. Proquest Research Library is a good place to look with a search limited to reviews.