Title: Pharmacopoia officinalis & extemporanea: or, a compleat English dispensatory, in four parts. Containing I. The Theory of Pharmacy, and the several Processes therein. II. A Description of the Officinal Simples, with their Virtues and Preparations, Galenical and Chymical. III. The Officinal Compositions; being such of the London and Bates's Dispensatory, as are now in use: together with some others of Uncommon Efficacy, taken from the most Celebrated Authors. IV. Extemporaneous Prescriptions, distributed into Classes sutable to their Intentions in Cure. By John Quincy M.D.