Links
Previews from previous classes.
Some novels and short stories collections (audio)
Mystery Collection at Project Gutenberg
Another Mystery Index--check the “Great Detectives" pull down menu.
You might go to these sites to look for stories
http://www.hornpipe.com/mysclas.htm
http://www.newmysteryreader.com/short_stories.htm
http://en.wikipedia.org/wiki/Category:Mystery_short_story_collections
http://www.writing-world.com/mystery/index.shtml
https://everydayfiction.com/category/stories/mystery-suspense/
https://thestoryshack.com/flash-fiction/suspense
https://www.fictionpress.com/fiction/Mystery/
Online Writing & Micro Fiction Index (from my Short Fiction class--so not all fit mystery, crime etc.)
Beyond my books and the recommended websites, here are some names I’d look into:
Agatha Christie
Raymond Chandler
Patricia Highsmith
Sue Grafton
Elizabeth Peters
James Ellroy
Tom Clancy
Ian Fleming
Dorothy L. Sayers
Patricia Cornwell
Sarah Paretsky
G.K. Chesterton
Georges Simenon
Isaac Asimov
Sir Arthur Conan Doyle
Previews from previous classes.