Today twelve volumes including more than 4170 items and more than 4000 illustrations and photographs can be retrieved by the user. Currently online available are the volumes DI-19 Göttingen (City), DI-28 Hameln, DI-36 Hannover, DI-42 Einbeck, DI-45 Goslar, DI-56 Braunschweig, DI-58 Hildesheim, DI-60 Rhein-Hunsrück-Kreis I, DI-61 Helmstedt, DI-66 Göttingen (District), DI-46 Minden, The Inscriptions of the City of Mainz. First Part: The Inscriptions of the Cathedral and the Museum of Cathedral and Diocese ranging from 800 to 1350.