Joint Union Catalogue of 200 academic libraries in the german states of Bavaria, Berlin and Brandenburg. The data contains descriptions of 26Mio. titles and 60Mio. holdings...

Authority data used in the (RISM catalogue, dataset description). It contains information about persons, organisations and literary works.

Répertoire International des Sources Musicales (RISM) is an international, non-profit organization with the aim of comprehensively documenting extant musical sources anywhere in...