Online Services

Anwendergemeinschaft HANS (Community of Manuscript Departments in German Libraries)
https://fachwelt.sub.uni-hamburg.de/allegro-hans.html
Archivportal-D (Archives Portal Germany)
https://www.archivportal-d.de
Archivportal Europa (Archives Portal Europe)
http://www.archivesportaleurope.net
Consortium of European Research Libraries, Portal (CERL)
http://www.cerl.org/resources/cerl_portal
Koop-Litera International
http://www.onb.ac.at/koop-litera/
RĂ©pertoire International des Sources Musicales (RISM)
https://opac.rism.info
Social Networks and Archival Context (SNAC)
http://socialarchive.iath.virginia.edu
Zentrale Datenbank Nachlässe (Registry of Personal Paper Collections in Archives in Germany)
http://www.nachlassdatenbank.de