Blumenthal, Mark
The ABC Clinical Guide to Herbs
Thieme, 2003
Buku Teks SO
Bone, Kerry
A Clinical Guide to Blending Liquid Herbs
Churcill Livingstone, 2003
Buku Teks SO
Miller, Amy Bess
Shaker Medicinal Herbs: A Compendium of History, Lore, and Uses
Storey Books, 1998
Buku Teks SO
Griffith, H. Winter
Healing Herbs: The Essential Guide
Fisher Books, 2000
Buku Teks SO
Treben, Maria
Health Through God's Pharmacy: Advice and Proven Cures with Medicinal Herbs
Ennsthaler Steyr, 2009
Buku Teks SO