[en] Through Vegetal Being Columbia University Press
[en] [Llewellyn's Herbal Almanac 01] • Llewellyn's 2012 Herbal Almanac Llewellyn Publications
[de] [Gutenberg 61776] • Kulturgeschichte der Nutzpflanzen, Band IV, 2. Hälfte Forgotten Books
[de] [Gutenberg 61775] • Kulturgeschichte der Nutzpflanzen, Band IV, 1. Hälfte Forgotten Books
[en] Orlicky's material requirements planning McGraw-Hill Professional Publishing
[en] Storey's Guide to Growing Organic Vegetables & Herbs for Market Storey Publishing, LLC
[en] [Gutenberg 52782] • Aaron in the Wildwoods Boston, New York, Houghton, Mifflin and Company
[fr] [Gutenberg 18271] • Georges Modern Library
[en] Farming with Native Beneficial Insects Storey Publishing, LLC
[en] Farming with Native Beneficial Insects · Ecological Pest Control Solutions Storey Publishing, LLC
[nl] [Gutenberg 27124] • De Negerhut Lekturama
[nl] De negerhut van oom Tom Lekturama
[en] Freshwater Life Penguin Random House South Africa
[fr] Mon carré de plantes aromatiques & médicinales Rustica Éditions