from The Rawhide Kid (Marvel, 1960 series) #21 (April 1961) [as "De helden van Sundown City!"], #21 (April 1961) [as "De helden van Sundown City!"], #21 (April 1961) [as "De helden van Sundown City!"], #21 (April 1961) [oorspronkelijke titel: "The Gunmen of Sundown City!"]