Sipos András: Joint Database as Research Tool – Sources on the Society of Budapest (1870s–1910s) on ’Hungaricana’ Portal. Tagungsblog En route to a shared identity. Sources on the history of Central Europe in the Digital Age. 2016.
Hungarian and Croatian Archives (scale 1:2.880). Georeferenced maps can be browsed in 2 and 3 dimensional, synchronized mode, moreover they can be placed on a present-day Google Map or Open StreetMap. (http://mapire.eu/en/ ) The users gain access to the rich map collections of the National Széchenyi Library, National Archives of Hungary, National Széchenyi Library, Institute and Museum of Military History, Budapest City Archives and different county archives. The collection of military maps of WWI, organized by the theatres of war with different countries, deserves special international interest, (http://maps.hunaricana.hu/en/ ) Photo and Postcard collections of the „Gallery” database are georeferenced and can be explored by navigating on historical maps or searched by toponyms. We receive for example 3884 hits for Vienna: these are photos and postcards preserved in Hungarian collections. The „Archives” section of Hungaricana offers an extremely wide range of basic sources, from a complete corpus of medieval charters preserved or copied and registered by the National Archives to a complete series of the minutes of the governing bodies of Capital Budapest between 1873-1990, or the minutes of the capital city and county level bodies of the ruling communist party after 1948.