--subdivision Political activity under names of individual persons, corporate bodies, and families; and under classes of persons, types of industries and corporate bodies, military services, and Christian denominations, e.g. Construction industry--Political activity; United States--Armed Forces--Political activity; Catholic Church--Political activity; and subdivision Citizen participation under headings designating government activities, e.g. Crime prevention--Citizen participation
Here are entered general works on urban community development and works limited to urban community development in regions, counties, states, etc. Works on community development in individual cities, city regions, or metropolitan areas are entered under the heading Community development with local subdivision.
Here are entered works on detection, prevention, and treatment of mental illness in specific populations rather than either individually or in large, centralized psychiatric facilities. Works on ecological, social, and cultural influences on mental illness and its treatment are entered under Social psychiatry.
Here are entered works on ethnic radio broadcasting in general. Works on broadcasting by specific ethnic groups are entered under the heading Radio broadcasting qualified by the name of the ethnic group, e.g. Radio broadcasting, Polish.