1. Herbs, Spices and Medicinal Plants: Recent Advances in Botany, Horticulture, and Pharmacology 1;Craker,1986
2. CRC Handbook of Medicinal Herbs;Duke,1985
3. Spices, Condiments, and Seasonings;Farrell,1990
4. Spices and Herbs for the Food Industry;Lewis,1984