Invisible Web -- See Also the narrower term Dark Web
Here are entered works on the portion of the World Wide Web that is intentionally hidden from search engines and is accessible only with anonymity software and special authorizations. Works on the portion of the World Wide Web that may not be accessible through general-purpose search engines are entered under Invisible Web.
--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