1. Working bulletin for the scientific investigation of quebracho, (aspidosperma quebracho): a plan to promote progress in the science of pharmacology Publication: Detroit, Mich. : Sent out by the Scientific Department of Parke, Davis & Co. ..., [1882] Subject(s): AspidospermaPharmacology
2. On quebracho bark (Aspidosperma quebracho): botanic-pharmacognostic essay Author(s): Hansen, Adolf, 1851-1920, author Publication: [Detroit] : [publisher not identified], [1880] Subject(s): AspidospermaPlant BarkPhytotherapy
