Beethoven Sources: a catalogue raisonné.
Beethoven Sources will collect sketches, autograph scores, corrected copies, first editions and other primary sources of Beethoven's music – from libraries worldwide.
The catalogue serves two main purposes:
Currently, the catalogue is in a prototype phase: it will be progressively expanded and updated. The first phase will cover the body of Beethoven's Piano Sonatas.
Beethoven Sources is a non-profit project released under a creative commons license. It is developed by the IT company Variance srl and an editorial board lead by Gabriele Riccobono.