Encyclopaedia of Dyes and Drugs

The majority of Encyclopaedia that have been published on the subject of Dyes and Drugs have been Technological biased and do not appeal to the mainstream Organic Chemist. An elegant manner which emphasises the role of Organic Chemistry in Dyestuffs. Pharmacognosy as a discipline deals with the history, collection, selection, identification, valuation and preservation of Crude Orugs of Vegetable and Animal Origin. This important work on the subject is of high and lasting reference value for Drug