Here's a visual guide to the recommended materials for your lawn conversion/sheet mulch project. Most of these materials can be purchased in bulk from the vendors listed in the Marketplace.
Build Fertile Soil with Sheet Mulching (Infographic) - The Urban Farm
Marketplace Lawn to Garden
Sheet Mulching: A Simple Way to Make New Gardens and Paths
1. Prepare the Site
HOA Says Goodbye to Turf
How to Use Mulch in Your Garden
1. Prepare the Site
Temperate Climate Permaculture: Permaculture Projects: Sheet Mulching
HOA Says Goodbye to Turf
Training and Resources
Our Backyard Sheet Mulching Project — Rachel Balmforth