http://www.classicalarchives.com/main/a.html#ABEL Sound files in MIDI format. http://www.malaspina.com/site/person_493.asp Portrait and biography. http://en.wikipedia.org/wiki/Karl_Friedrich_Abel Biography of the German composer. http://www.wqxr.com/cgi-bin/iowa/cla/learning/grove.html?record=14 Grove Concise Dictionary of Music entry focusing on his collaboration with J. C. Bach and his bass viol playing and composing.