- Louisville, Ky.
- Manhattan, New York, N.Y.
- found: His Lionel Hampton's Vibraphone folio of rhythm choruses, c1937.
- found: His Lionel Hampton [SR] 1986: notes (b. 1909)
- found: His Hamp, c1989: CIP t.p. (Lionel Hampton) galley (b. 4-20-08)
- found: Baker, 8th ed. (Hampton, Lionel "Hamp"; b. 4-12-09, Louisville, Ky.; jazz vibraphonist, drummer, pianist, and bandleader)
- found: New York Times, Sept. 1, 2002 (Lionel Hampton, 94, jazz vibraphonist; d. Aug. 31, 2002, Manhattan, N.Y.; birth certificate: b. Apr. 20, 1908; some reference sources and public records give birth dates ranging from 1908 to 1914)
- 1982-02-09: new
- 2012-10-06: revised