Howitt
The Spider #38: City of Dreadful Night
Tepperman, Emile C.
Gould, John Fleming
Howitt, John Newton
Paperback
The Spider #34: Laboratory of the Damned
Page, Norvell W.
Gould, John Fleming
Howitt, John Newton
Paperback
The Spider #36: The Coming of the Terror
Page, Norvell W.
Gould, John Fleming
Howitt, John Newton
Paperback
The Spider #19: Slaves of the Crime Master
Page, Norvell W.
Gould, John Fleming
Howitt, John Newton
Paperback
The Spider #20: Reign of the Death Fiddler
Page, Norvell W.
Gould, John Fleming
Howitt, John Newton
Paperback
The Spider #21: Hordes of the Red Butcher
Page, Norvell W.
Gould, John Fleming
Howitt, John Newton
Paperback
Operator 5 #11: The League of War-Monsters
Davis, Frederick C.
Gould, John Fleming
Howitt, John Newton
Paperback
Operator 5 #21: Raiders of the Red Death
Tepperman, Emile C.
Gould, John Fleming
Howitt, John Newton
Paperback
Operator 5 #22: War-Dogs of the Green Destroyer
Tepperman, Emile C.
Gould, John Fleming
Howitt, John Newton
Paperback
Operator 5 #24: War-Masters from the Orient
Tepperman, Emile C.
Gould, John Fleming
Howitt, John Newton
Paperback
Operator 5 #25: Crime's Reign of Terror
Tepperman, Emile C.
Gould, John Fleming
Howitt, John Newton
Paperback
The Spider #45: Voyage of the Coffin Ship
Tepperman, Emile C.
Gould, John Fleming
Howitt, John Newton
Paperback
The Spider #24: King of the Red Killers
Page, Norvell W.
Gould, John Fleming
Howitt, John Newton
Paperback
Operator 5 #13: March of the Flame Marauders
Davis, Frederick C.
Gould, John Fleming
Howitt, John Newton
Paperback
Operator 5 #16: Legions of the Death Master
Davis, Frederick C.
Gould, John Fleming
Howitt, John Newton
Paperback
