Arthur Frederick Sievers profile picture

Arthur Frederick Sievers

Is this your author profile? Create an account to claim and customize it!

Stand Alone

Harvesting Pyrethrum (Classic Reprint)
American Medicinal Plants of Commercial Importance (Classic Reprint)
A Preliminary Study of the Forced Curing of Lemons as Practiced in California (Classic Reprint)
Medicinal Plants of Tropical and Subtropical Regions (Classic Reprint)
Production of Drug and Condiment Plants (Classic Reprint)