 The library also participates in the Normannia project of the Norman digital library.The former barracks of the Abbey, dating back to the start of the works of the large dam in 18th-century, has housed one of the five regional centres of history of the National Navy, alongside Brest, Lorient, Rochefort and Toulon, since 1970.The archives of the maritime district of the Channel and the North Sea are grouped here, and the library of the Navy founded in 1836 in Cherbourg and specialising in maritime history with its 23,000 works.