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)