Medieval music sources : DIAMM thrives
DIAMM, the Digital Image Archive of Medieval Music, is a free portal to collections of polyphonic medieval music sources, ca 800-1500. Images are frequently included, the detailed descriptions are accompanied by relevant bibliographic references, and geographic scope is international. Data coverage incorporates the content of the printed publications RISM Series B IV and The Census Catalog of Music Manuscripts, then moves well beyound with more contributions from diverse sources and institutions.
Users register individually online and agree to a usage licence describing your scholarly freedoms and obligations. Now in its tenth year, the project was developed by the University of Oxford and Royal Holloway University of London. It is currently co-owned by the many institutions continuing to provide content.