Maintained by a fan and concentrating on the writers and works he likes, this site features essays on the history, trends, schools of writing authors of mysteries from mostly the pre-1965 era. It may lack the scholarly credentials of a major university, but the essays and lists are nonetheless informative and well-written.
Extensive list of authors, with chronological lists of their books, series and non-series, as well as synopses of crime fiction. Also includes indexes of characters, their jobs an locations; genre, historical and read-alikes indexes and many other features.