Lawrence, George H M. Herbals, their history and significance/ George H.M. Lawrence - p.1-35 ; 23 cm. IN: History of botany : two papers (...). - Los Angeles; Pittsburgh : University of California, Clark Memorial Library; Hunt Botanical Library ; 1965. p.1-35. Subjects--Topical Terms: Herbals--History. Dewey Class. No.: 581.09