BL BCM, 19 Aug. 1999 (hdg.: Westendorf, Thomas P.)
Claghorn, C.E. Biog. dict. of Amer. mus., c1973 (Westendorff [sic], Thomas P.; b. 1848, Bowling Green, VA; d. 1923, Chicago, IL; composer)
New Grove dict. of Amer. mus., c1986 (Westendorf, Thomas P(aine); b. Bowling Green, VA, 23 Feb. 1848; d. Chicago, IL, 19 Apr. 1923; composer)
OCLC, 7-10-2007 (hdgs.: Westendorf, Thomas P. (Thomas Payne),1848-1923 [predom.]; Westendorf, Thomas P. (Thomas Payne); Westendorf, Thomas P., 1848-1923; Westendorf, Thomas P.; Westendorf, Thomas; Westendorf, Thomas, 1848-1923; Westendorf, Thomas Paine)