How-To crochet from a graph: this technique is known as Intarsia Brocade or Tapestry Crochet
Learn how to tapestry crochet with this photo tutorial!
Cacti (Saguaro Cactus) Tapestry Crochet Pattern - Free Tapestry Crochet Pattern from AllTapestryCrochet.com
Free du Mardi ! - Mes petites croix et moi ! More
Tapestry crochet tutorials (also called mosaic crochet, jacquard crochet, intarsia, colorwork, fair isle, cameo, and hard crochet)
How to Do Tapestry Crochet with Free Patterns
Polkadot & Bow Tapestry Pattern
Polka Dots! - and lots of other cute ideas on the blog ༺✿ƬⱤღ✿༻
Cats Afghan 2 Could use this pattern for Tapestry crochet.
Lesson 3 of "Tapestry Crochet for Beginners" - How to Do a Modified Single Crochet Stitch