Seed Saving Resources (UK)
Real Seeds: Free seed saving instruction booklet
Sussex Community Seed Bank: Free online instructions about seed saving, cleaning and drying
Heritage Seed Library: Comprehensive seed saving guidelines
Millennium Seed Bank: Detailed information about the priorities and methods of this leading research centre
Seed Saving Resources (USA)
Organic Seed Alliance: publications about seed-related issues including A Seed Saving Guide for Gardeners and Farmers and a Seed Saving Chart with summary of isolation distances and seed life plus other information
e-Organic: articles, webinars and videos on issues related to organic farming
Seedlibraries.Net – a collection of resources about how to establish and maintain a seed library
USDA Industry Standards: Seed Germination Standards
Seed Savers Exchange: range of learning resources for home-gardeners including a crop by crop Seed Saving Chart (PDF) and a Guide to Starting a Community Seed Bank (PDF)
Adaptive Seeds, A Guide to Seed Saving, Seed Stewardship & Seed Sovereignty
Save Seed Sharing, Campaign and Petition
Books
The Seed Garden published by Seed Savers Exchange
Shattering, Cary Fowler
Breed your own Vegetable Varieties, Carol Deppe
Seed to Seed, Suzanne Ashworth
The Organic Seed Grower, John Navazio
The Seed Underground: A Growing Revolution to Save Food, Janisse Ray
Saving Our Seeds 