Superboy

Adventure Comics #210 (The Super-dog Krypton)
Adventure Comics #247 (The legion of Super-Heroes)
Superboy #65 (Krypto Mouse)
Superboy #68 (The boy of steel vs the thing of steel)
Adventure Comics #271 (How Luthor Met Superboy)
Superboy #85, 89, 90
Superman #161
Adventure Comics #369-370 (Mordu the Merciless)
DC Comics Presents #14, 87
Superboy's legion #1-2
Superman / Batman Secret Files 2003
Solo #1
Secret Origin #1-2
Adventure Comics v2 #12 (alternate cover is numbered as #515 of v1)
Adventure Comics #516, 518-520
Superman Adventures #26
Superboy and the legion of super-heroes : the early year (TPB)