Permaculture One by Bill Mollison and David Holmgren
Permaculture Two by Bill Mollison
Introduction to Permaculture by Bill Mollison
Permaculture: A Designers Manual by Bill Mollison
PermaculturePrinciples.com by David Holmgren
Earth User’s Guide to Permaculture by Rosemary Morrow
Gaia’s Garden by Toby Hemenway
The One Straw Revolution by Masanobu Fukuoka
Thinking In Systems: A Primer by Donella Meadows
The Farmers of Forty Centuries by F.H. King
Tree Crops: A Permanent Agriculture by J. Russell Smith
Native Planters in Old Hawaii: Their Life, Lore, and Environment by Handy and Handy