The catalog lists 2142 authorized editions in Opera, with instrumentation, parts, and publisher catalog numbers.
![La traviata [Traditional] — Giuseppe Verdi](https://cdn.score.ui888.net/api/v1/media/7a64d24a-8633-4222-b119-61bebe1fe930/content?v=card)
![Tancredi [Critical Edition] — Gioachino Rossini](https://cdn.score.ui888.net/api/v1/media/976e12b9-137d-4d71-9b2c-e01a9f99f254/content?v=card)
![The Ghosts of Versailles [Original Version] — John Corigliano](https://cdn.score.ui888.net/api/v1/media/6224a390-ec8d-49c8-876c-8f4168b65e13/content?v=card)
