24 ways: Front-end Style Guides
Links to Style Guides
Responsive Design : Le guide de référence pour les SEOs
Web Design réactif Article traduit de Seomoz.org : Responsive Web Design: The Ultimate Guide for Online Marketers http://www.seomoz.org/ugc/responsive-web-design-the-ultimate-guide-for-online-marketers
The Responsive Designer
United Pixelworkers — Welcome
Beautiful responsive web design
25 Beautiful Responsive Web Design Examples for Inspiration
Food for thought and for your next presentation
Golden Grid System
Four features Columns, gutters, a baseline and a script.