A legal-usage dictionary I like
The legal-usage source:
Click here to get A Dictionary Of Modern Legal Usage
If you have a question about a legal word or about legal writing, look it up here. You'll find the answer, and you're also likely to find a lively and intelligent discussion on the point. But the best thing about this book is that it's correct. So use it for back-up when you need to be right. Every lawyer should have it.