Silver Skull (Street & Smith) – A History of Comics Index

Shadow Comics (1940) 22

The Grey Ghost (Street & Smith) – A History of Comics Index

Shadow Comics (1940) 18

The Sealed Box (Street & Smith) – A History of Comics Index

Shadow Comics (1940) 9

Charg, Monster (Street & Smith) – A History of Comics Index

Shadow Comics (1940) 8

Lingo (Street & Smith) – A History of Comics Index

Shadow Comics (1940) 6