1. Constitution, by-laws, and code of ethics of the Columbia Pharmaceutical Association: organized and adopted April, A.D. 1871 Author(s): Columbia Pharmaceutical Association. Publication: Washington, D.C. : Judd & Detweiler, printers, 1871 Subject(s): Societies, Pharmaceutical -- organization & administrationConstitution and BylawsCodes of EthicsDistrict of ColumbiaColumbia Pharmaceutical Association.