Navypedia Reference 2020 1.4 (e-book, pdf, English)
Navypedia Reference. Ships of the Second World War. Royal Navy and Commonwealth (part 4).
New format of naval references includes information about ships, modernizations, armament, service and ships' appearances in maximally brief but informative form.
Part 4 includes data of British and Commonwealth submarines, corvettes, minesweepers and minelayers.