* Scent and Chemistry, Günther Ohloff, Wilhelm Pickenhagen, Philip Kraft, Wiley-VCH, 2012 [SAC]
  * Meaningful Scents around the World, Roman Kaiser, Zürich 2006 [MSW]
  * Scent of the Vanishing Flora, Roman Kaiser, 2010 [SVF] 
  * CRC Handbook of Medicinal Herbs 1985 [CRC]
  * British Herbal Pharmacopoeia [BHP83] 
  * Herbal Drugs and Phytopharmaceuticals 2009 [Wichtl] 
  * BI-Lexikon Heilpflanzen und Drogen, Ennet D., Leipzig 1990 [BI] 
  * Medicinal Plants of the World. Ben-Erik Van Wyk and Michael Wink, Pretoria 2004 [MPW]
  * Food Plants of the World. Van Wyk, Ben-Erik Portland Oregon 2005 [FPW]