The document provides an introduction to pharmacopoeias. It defines a pharmacopoeia as a reference work published by a government or medical society that contains directions for identifying compound medicines and pharmaceutical drug specifications. It describes the origins of early pharmacopoeias in Europe in the 16th century and provides details about the Indian Pharmacopoeia and British Pharmacopoeia, including their history and editions. It also summarizes the European Pharmacopoeia as a major regional pharmacopoeia that provides common quality standards for medicines across Europe.