The collection contains published annual catalogs of American medical colleges, introductory addresses given by physicians at the beginning of the school year or at the beginning of specific courses, valedictory addresses given by prominent physicians at graduation ceremonies, and various ephemera. Some irregular medical institutions are represented, including homeopathic, eclectic, and osteopathic schools and some schools of dentistry. Catalogues and addresses of the Medical Institution of Yale College have been individually cataloged and few appear in this collection. Also many addresses have been individually cataloged and do not appear here.