Databases (Online Lexicons)
- Österreichisches Musiklexikon Online (OEML)
Online version of "Österreichisches Musiklexikon"
- MGG Online
Die Musik in Geschichte und Gegenwart
- Munzinger Online
Memorial days
Kindler Encyclopaedia of literature
Present-day composers (KDG)
Individuals
Lexicon of pop music
- Naxos Works Database
Naxos Works Database is an online catalogue of classical music works, with a wealth of detail like duration, instrumentation, publisher and work introductions.
- Oxford Music Online
Encyclopedia of Popular Music
New Grove Dictionary of Jazz (2. ed.)
New Grove Dictionary of Music and Musicians (2. ed.)
New Grove Dictionary of Opera
Oxford Companion to Music
Oxford Dictionary of Music
- Dictionary of Hymnology
An essential reference resource for scholars of global hymnody, with information on the hymns of many countries and languages, and a strong emphasis on the historical as well as the contemporary.