1. Proceedings of the medical convention, for the purpose of organizing the Illinois State Medical Society: held at Springfield, June 4, 1850, together with the constitution, by-laws and code of ethics, adopted by the society Author(s): Illinois State Medical Society. Publication: Chicago : Printed by Jas. J. Langdon, 1850 Subject(s): Societies, Medical -- organization & administrationConstitution and BylawsCodes of EthicsIllinoisIllinois State Medical Society.