Sub-Mariner entry, in Marvel Comics Index, vol. 1, 7B, Marvel Comics Group, 1978. Reprinted at The Deep Six Project, su chivian.com (archiviato il 30 maggio 2010).
Sub-Mariner entry, in Marvel Comics Index, vol. 1, 7B, Marvel Comics Group, 1978. Reprinted at The Deep Six Project, su chivian.com (archiviato il 30 maggio 2010).