The following pages link to Showcase 56:
Displayed 20 items.
- Hourman (Rex Tyler) Chronology (← links)
- Doctor Fate (Kent Nelson) Chronology (← links)
- Doctor Fate (Inza Nelson) Chronology (← links)
- Psycho-Pirate (Roger Hayden) (← links)
- Psycho-Pirate (Charley Halstead) Chronology (← links)
- Psycho-Pirate (Roger Hayden) Chronology (← links)
- Secret Society of Super-Villains (← links)
- Showcase Title Index (← links)
- JSA 69 (← links)
- Wendi Harris-Tyler (← links)
- Hourman 24 (← links)
- Triumph 1 (← links)
- Releases 1965 (← links)
- Showcase 55 (← links)
- 1st Issue Special 9 (← links)
- Psycho-Pirate (Roger Hayden) (Prime Earth) Chronology (← links)
- Wendi Harris-Tyler Chronology (← links)
- Spectre 5 (← links)
- Showcase 57 (← links)
- File:Showcase 56.png (← links)
