"The Man Who Stole Central City" reprinted from Flash #116.
"Return of the Mirror Master" reprinted from Flash #109.
"The Case of the Real-Gone Flash" reprinted from Flash #128.
"The Mystery of the Flash's Third Identity" reprinted from Flash #141.
Note: This is G-58, G-57 is Action Comics #373 and G-60 is Superboy #156.