Superboy Annual #1 (2011) - 8.0 VF *H'el on Earth*
Superboy #136 (1949) - 4.5 VG+ *Superboy Visits the 50th Century*
Superboy #106 (1949) - 2.5 GD+ *Untold Story of the Phantom Zone*
Superboy #74 (1949) - 2.0 GD *Superboy's Voyage to New Krypton*
Superboy #170 (1949) - 4.0 VG *Easy Rider to Doom*
Superboy #137 (1949) - 4.0 VG *Superboy's Blind Identity*
Superboy #6 (2010) - 8.5 VF+ *Reign of Doomsday*
Superboy #131 (1949) 4.0 VG *Lex Luthor, Imp*
