The
Paul Sacher Foundation maintains and updates nearly 80 archives and collections of influential composers and performers, including the György Ligeti collection.
The internet sites of the publishers
Schott ,
Edition Peters , and
Universal Edition include work lists, performance dates, and additional information about the life and work of György Ligeti; Schott offers the most comprehensive information.
More extensive collections of Ligeti's works on CD are currently available at
Sony BMG (The György Ligeti Edition) and
Warner Classics (Ligeti Project). The
Wergo label released a special edition of reference recordings.