Sheerness Minesweepers – HMS Wildfire: This site has a wealth of information about the HMS Wildfire shore base at Sheerness in World War Two. There is a ship and wreck database as well as an excellent article on the defensive barrier.
Ships and Wrecks
Lloyds register historical plans
Thisismast – Royal Navy Losses at Sea Database
Marine data sets – Access and download data from UKHO
German War at Sea E-Boats 4. Schnellboot-Flottille
British Convoys – ConvoyWeb