Tweaking HTML for mobile devices
- CSS Mobile Profile 2.0: Compose & import a stylesheet for handheld & mobile devices
- W3C Mobile Web Initiative
- Mobile Web Best Practices 1.0
- W3C Mobile Web Best Practices Working Group's Blog
- Applying CSS from Screen to Print to Handheld – Part 6: Simplified Design and Printability
- CSS for Handheld Devices - CSS for Wireless Devices
- How to Write Web Pages for the iPhone and Other Wireless Devices
- Mobile Web Design: Tips & Techniques
- http://dev.mobi/ - Includes an emulator for viewieng external sites on several different phone types (manufacturers).