Abel, Carl Friedrich
Grove Concise Dictionary of Music entry at WQXR radio focusing on his collaboration with J. C. Bach and his bass viol playing and composing.
Carl Friedrich Abel
Summary of musical style and output, biography, and portrait painting from the Classical Composers Database.
Classical Music Archives: Abel
Sound files in MIDI format.
Karl Friedrich Abel
Free MIDI audio files from On Classical/Kunst der Fuge.
Wikipedia: Karl Friedrich Abel
Biography of the German composer.