found: Basie, C. Count Basie at the Portland Auditorium [SR] 1953-1954: insert (Billy Eckstine)
found: LC data base, 6-3-91 (hdg.: Eckstine, Billy)
found: New Grove dict. of jazz, 1994 (Eckstine, Billy (Eckstein, William Clarence; Mr. B); b. July 8, 1914, Pittsburgh, d. Mar. 8, 1993, Pittsburgh; singer and bandleader)
found: Washington Post, 03-09-93 (b. William Clarence Eckstein, Pittsburgh; d. 03-08-93)
found: Basie, C. Basie/Eckstine Inc. [SR] p1994: label (Billie Eckstine)
found: NUCMC data from Virginia Union University for Henderson, S.L. Photographs, 1912-1989 (Billy Ekstein)
found: BGMI, Aug. 22, 2003 (Billy Eckstein)
found: Biog. resources, Aug. 22, 2003 (Billy Eckstine; Also known as: William Clarence Eckstein, William Clarence Eckstine; Birth: July 8, 1914 in Pittsburgh, Penn.; Death: March 8, 1993 in Pittsburgh, Penn.)