She discusses a range of approaches, and when each might be the best option. I found this a useful discussion (much more so than Nielsen's Alphabetic Sorting Must Die) and liked the examples Donna drops in.
- Organisational structure
- Subject / topic
Classification Schemes - and When to Use Them: article by Donna Spencer for uie.com
I previously blogged Jakob Nielsen's article on a related topic:
Content and navigation ordering options