Seed to Seed: Seed Saving and Growing Techniques for Vegetable Gardeners (9781882424580): Suzanne Ashworth, Kent Whealy: Books.
Saving Seeds: The Gardener's Guide to Growing and Storing Vegetable and Flower Seeds (A Down-to-Earth Gardening Book) Polly Alexander
Seed Sowing and Saving: Step-by-Step Techniques for Collecting and Growing More Than 100 Vegetables, Flowers, and Herbs (Storey's Gardening Skills Illustrated) by Carole B. Turner
Organic Seed Alliance http://www.seedalliance.org/
Seed Trust http://www.seedstrust.com