Allen, Jim (2007). "Chapter 10 GO POWER Engine Performance". Jeep 4x4 Performance Handbook. Motorbooks Workshop Series. Vol. 242 (Second ed.). MBI Publishing. p. 193. ISBN978-0-7603-2687-9. Retrieved 21 August 2014. 1950–1971 F134 "Hurricane" Four-Cylinder F-head
Allen, Jim (1999). "Chapter 13: Two-Wheel Drive Jeeps". Jeep Collector's Library (Third ed.). MBI Publishing. p. 215. ISBN0-7603-1979-0. Retrieved 21 August 2014. The F-head–powered Station Wagon became Model 4-73.