- Austrian Academy of Sciences (ÖAW), Department of Musicology (ACDH-CH)
- Austrian National Library Vienna (ÖNB)
- ÖNB: Department of Manuscripts and Rare Books
- ÖNB: Department of Music
- ÖNB: Bibliography for the inventory of manuscripts
- ÖNB: QuickSearch (Cod. 1-15500, Series nova and Mus.Hs.)
- RISM - Sigla
Research facilities
- Watermark information system (WZIS)
- Database of book-bindings
- Manuscripta mediaevalia - manuscript catalogues online
- CANTUS PLANUS - Regensburg data pool for research on Gregorian chant
- CANTUS - A Database for Latin Ecclesiastical Chant
- ITER LITURGICUM ITALICUM
- Hungarian Chant Database
- LMLO - Late Medieval Liturgical Offices