- Mr. and Mrs. Clark (Superman) Kent!" was originally published as an imaginary story, a story outside of regular continuity. In Crisis on Infinite Earths: The Compendium, it was retconned as having happened on another Earth, .
- Characters from Earth-Nineteen
- Other things related to Earth-Nineteen
- Earth-Nineteen's Comic Appearances
- Reality Gallery: Earth-Nineteen
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