1. The mission of the Association of Military Surgeons of the National Guard of the United States Author(s): Senn, Nicholas, 1844-1908, author Publication: Chicago : Published at the Office of the Association, 1892 Subject(s): Societies, Medical -- organization & administrationMilitary MedicineGeneral SurgeryUnited StatesAssociation of Military Surgeons of the National Guard of the United States.