Raymond Obstfeld and Franz Neumann - Careers for Your Characters: A Writer's Guide to 101 Professions from Architect to Zoologist

Pros: Broad categories; info in a writing context; further pointers; great details
Cons: More! I want more! Particularly, more references.

Who hasn't had trouble with their characters' careers? Sure, some writers have hopped from job to job during their lifetime and have more than enough material to supply their fictional characters with interesting work. But some of us didn't move around ...