Logo creator information from Todd Klein (as posted on his Facebook page, 5 September 2016).
Inside front cover.
Reprint info from Mark Waid and Michael R. Grabois. Manly Wade Wellman is credited as writer of this story in Julie Schwartz's editorial records for the "Mysterious Stranger." Gardner Fox is credited as the creator of The Phantom Stranger and writer of some stories in The Comic Reader #27, July 1964.
The character of Rita Westcott is also referred to as "Rina" twice in the story.
Reprint in The Phantom Stranger (DC, 1969 series) #1 noted by Michael R. Grabois through Per Sandell.
Artist signature in panel before last.
Reprint info from Mark Waid and Michael R. Grabois.
Inside back cover.