"... [A]n index of scholarly websites that offer online access to digitised primary sources on the history of Europe. The websites listed on EHPS are not only meta-sources but also include invented archives and born digital sources.
Each website that is listed in EHPS has a short description and is categorised according to country, language, period, subject and type of source. The portal can be searched in a variety of ways. The listed websites can be accessed for free, though sometimes a registration is required."