Architecture for a Sass Project

Sass, SMACSS, CSS all the things
Get Your Sass in Line
Sass Mixins vs Extends: The Data - Belly Card Engineering
Understanding Sass Units
Correctly Adding Unit to Number | CSS-Tricks
Use lengths, not strings
Sass Functions Cheat Sheet
blackfalcon/SassMeister-input.scss
My Media Query Mixin | Always Twisted. Front-End Development.
Breakpoints and Tweakpoints in Sass
A Visual Guide to Sass & Compass Color Functions - Jackie Balzer
Modularscale
Using Libsass Today
Code smells in CSS – CSS Wizardry
Used and Abused - CSS Inheritance and Our Misuse of the Cascade
Fun with Sass & font icons
Release the docs!
CSS Reference | Codrops
Dynamic Colour Palette with SASS
Sass | CSS-Tricks
Sache: Find Sass and Compass Extensions for your next project
SassyLists - Documentation
SassMeister | The Sass Playground!
Gray Ghost Visuals Press
An Auto-Enforceable SCSS Styleguide | David Clark Develops the Web
Introducing Sass-Compatibility
Sass for Big Sites, Part 1
SassMeister | The Sass Playground!
Spriting with Sass and Compass
StyleStats