Superman (1939 1st Series) #312
Cover pencils by Jose Luis Garcia-Lopez, inks by Bob Oksner. Today the City...Tomorrow the World starring Superman, The Flash [Barry Allen], Supergirl, Amalak, Nam-Ek, Lois Lane, Morgan Edge, and Green Lantern [Hal Jordan] (cameo), script by Martin Pasko, pencils by Curt Swan, inks by Frank Springer
Superman and Supergirl try to find a cure for "journalist's disease; they also help Flash, who appears to be dying.
36 Pages, Full Color. Cover price $0.35.