Here's History Kent - A wealth of historical information on parishes and towns across the county, provided by Kent County Council. - http://www.hereshistorykent.org.uk/
17th Century Kent Tokens - Lists halfpenny and farthing tokens issued in the county, with some illustrations. - http://www.kenelks.co.uk/coins/kenttokens/kenttokens.htm
History of Health and Medicine in Kent - A Kent NGfL project for schools by Ian Coulson which looks at health and medicine in the county since prehistoric times and the creation of the NHS. - http://www.kented.org.uk/ngfl/subjects/history/medhist/
Kent - Gazetteer of Markets and Fairs - Historical details of markets and fairs in the county to 1516. Includes sources. - http://www.ihrinfo.ac.uk/cmh/gaz/kent.html
Underground Kent - Features photographs, plans and descriptions of ex-military tunnels, Napoleonic fortifications, and smuggling, industrial and other underground tunnels in the county. - http://www.undergroundkent.co.uk/
Historic Kent - Focussing on the counties history, its towns and villages. - http://www.historic-kent.co.uk/
Kent Archaeological Society - Includes membership details, who's who, newsletters, lecture programmes and society records. - http://www.kentarchaeology.org.uk/
Kent Underground Research Group - Research into the origins, use and history of the many subterranean features of the county and surrounding regions. Includes a guide to sites, bibliography and membership information. - http://www.kurg.org.uk