GARDENPlants and seeds

What is the best source from the internet or catalogue for organic vegetable seeds and or plants?

I am especially interested in non genetically modified sources for hot peppers. There is one pepper newly discovered that reaches 1,000,000 Scoville heat units that I would like to try. I am also interested in high quality heirloom plant and seed varieties.
Thanks,

Here are several choices.

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Growing Heirloom Seeds & Seed Saving : Tips for Seed Saving: Start Small

Heirloom VARIEGATED GERANIUMS #2 Photo Reprint of Seed Catalog $4.93

Garden Seed Inventory: Inventory Of Seed Catalogs Listing All Non-Hybrid Vegetable Seeds, Available in the United States and Canada $17.46 Garden Seed Inventory is an essential reference for all serious vegetable growers who care about seeds and preserving our common garden heritage. This comprehensive “catalog of catalogs” is now available in an updated sixth edition, and lists nearly 8,500 nonhybrid varieties of everything from amaranth to zucchini.As traditional plant breeding gives way to bioengineering and patented varieties, it…

Fruit, Berry and Nut Inventory: An Inventory of Nursery Catalogs Listing All Fruit, Berry and Nut Varieties Available by Mail Order in the United States $24.00 Fruit, Berry and Nut Inventory is an essential reference for all backyard fruit growers and commercial orchardists who care about the rich diversity of fruit, berry, and nut varieties offered by mail-order nurseries in the United States. This comprehensive “catalog of catalogs” is now available in its newly updated Third Edition, which lists 280 nurseries that offer nearly 6,000 varieties of fruit…