Davis's pocket guide to herbs and supplementsCatherine E. Ulbricht · First published 2011Open the Tome
Natural Standard medical conditions referenceCatherine E. Ulbricht · First published 2009Open the Tome
Buyer's guide to herbs and supplementsKathleen Cahill Allison, Catherine Ulbricht, Ethan Basch · First published 2004Open the Tome
Natural Standard herb & supplement handbookEthan M. Basch, Catherine E. Ulbricht · First published 2004Open the Tome
Natural standard herb & supplement referenceCatherine E. Ulbricht, Ethan M. Basch · First published 2004Open the Tome
Without Mercy/SoldCatherine Ulbricht Pharm. D., Ethan Basch M.D. M.Phil. · First published 2003Open the Tome