Jenkins, Landis & Miller 2003, p. 14,15,17,18,24. Jenkins, Dennis R.; Landis, Tony; Miller, Jay (June 2003). American X-Vehicles: An Inventory—X-1 to X-50(PDF). Monographs in Aerospace History. Vol. 31 (Centennial of Flight ed.). Washington, DC: NASA History Office. SP-2003-4531. Retrieved 22 January 2024.
Jenkins, Landis & Miller 2003, p. 5–7. Jenkins, Dennis R.; Landis, Tony; Miller, Jay (June 2003). American X-Vehicles: An Inventory—X-1 to X-50(PDF). Monographs in Aerospace History. Vol. 31 (Centennial of Flight ed.). Washington, DC: NASA History Office. SP-2003-4531. Retrieved 22 January 2024.
Jenkins, Landis & Miller 2003, p. 21–22. Jenkins, Dennis R.; Landis, Tony; Miller, Jay (June 2003). American X-Vehicles: An Inventory—X-1 to X-50(PDF). Monographs in Aerospace History. Vol. 31 (Centennial of Flight ed.). Washington, DC: NASA History Office. SP-2003-4531. Retrieved 22 January 2024.
Jenkins, Landis & Miller 2003, p. 40–41. Jenkins, Dennis R.; Landis, Tony; Miller, Jay (June 2003). American X-Vehicles: An Inventory—X-1 to X-50(PDF). Monographs in Aerospace History. Vol. 31 (Centennial of Flight ed.). Washington, DC: NASA History Office. SP-2003-4531. Retrieved 22 January 2024.
Jenkins, Landis & Miller 2003, p. 44–45. Jenkins, Dennis R.; Landis, Tony; Miller, Jay (June 2003). American X-Vehicles: An Inventory—X-1 to X-50(PDF). Monographs in Aerospace History. Vol. 31 (Centennial of Flight ed.). Washington, DC: NASA History Office. SP-2003-4531. Retrieved 22 January 2024.