Look for works by Dall'Abaco or Piatti . These offer technical challenges that rival Bach but bring a different Baroque or Romantic flair to your practice.
Cello Tribe — The Cello Blog - Grace Notes School of Music Cello Works.zip
In the end, whether your "Cello Works" are stored on a hard drive or in a physical library, the goal is the same: to find the music that speaks to you and brings that "little violone" to life. Look for works by Dall'Abaco or Piatti