- This version of Josh Coyle, including all history and corresponding appearances, was erased from existence following the collapse of the original Multiverse in the 1985–86 Crisis on Infinite Earths limited series. Even though versions of the character may have since appeared, this information does not apply to those versions.
- Josh is troubled by an ulcer that dates back years and for that reason is often seen taking pills during his work.
- 80 Appearances of Joshua Coyle (Earth-One)
- 2 Images featuring Joshua Coyle (Earth-One)
- 1 Quotations by or about Joshua Coyle (Earth-One)
- Character Gallery: Joshua Coyle (Earth-One)
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