- w3.rz-berlin.mpg.de/cmp/beethoven.html
- Collection of over 100 MIDI files of previously unrecorded Beethoven manuscripts.unheardbeethoven.org
- www.edepot.com/beethoven.html
- Offers facts and dates with complete works listed chronologically, picture gallery, biographical notes on associates, important concerts, and more.www.lvbeethoven.co.uk