The DC SPECIAL SERIES 15 story is collected in the
Greatest Batman Stories Ever Told hardcover and trade paperback.
So apparently the editors at DC would agree with at least one of my picks.
As I recall, the DETECTIVE 481 story was also tossed in a collection a few years ago too, I forget which.
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Edit:
according to this Marshall Rogers checklist...
http://mrogers21.tripod.com/main/mrchronology.htm
... it was reprinted in the BATMAN IN THE SEVENTIES trade (1999).
(Great checklist by the way, covering Rogers' comic art year by year in order) ]
But I think it would have been more appropriately included in a Rogers collection, as part of BATMAN: STRANGE APPARITIONS.