POSITIVE MEDICAL AGENTS
1855. [AMERICAN CHEMICAL INSTITUTE]. POSITIVE MEDICAL AGENTS: Being a Treatise on the New Alkaloid, Resinoid and Concentrated Preparations of Indigenous and Foreign Medical Plants. New York: Charles B. Norton, 1855. 8vo. 304pp. Brown cloth, blindstamped to front and back and stamped in gilt to spine. Ex-library with stamps to front..... More