Bowker Meta Data Service Documentation
very interesting looking REST API from Bowker
Get Your API Right « Trek
If you’re about to design or release an API for the web and want to avoid the ire of your developers, I’ve summed up the best (and worst) of what I’ve seen into 8 rules:
The Amazing Blog : Your Web Service Might Not Be RESTful If…
clear blog post with some sensible tips for HTTP API design
The Good, the Bad, and the Ugly of REST APIs - O'Reilly Broadcast
How to GET a cup of coffee
interesting example of a REST API
Nobody Understands REST or HTTP - Literate Programming