- Borg, Karen
- found: Author's Barrage. [Phonodisc] 1965.
- found: New Grove dict. of jazz, 2nd ed. (Bley, Carla (née Borg, Karen); b. May 11, 1938, Oakland, CA; composer, bandleader, and keyboard player; married to Paul Bley, 1957-1967)
- 1980-12-09: new
- 2014-11-04: revised