Dr. Spektor in "Masque Macabre" with story by Don Glut and art by Jesse Santos. Story has Owl and Dr. Solar Man of the Atom cameos. Painted front cover. # on cover 90285-601 December. #18 12/75
Cover price $0.25.
Dr. Spektor in "The Thing That Howled" and "The Painter of Doom." Jesse Santos art. Painted front cover. # on cover 90285-306 June. #2 6/73
Cover price $0.20.
Dr. Spektor in "Where Mortals Fear to Tread" with story by Don Glut and art by Jesse Santos. Issue also has one-page feature "Dr. Solar Man of the Atom." Painted front cover. # on cover 90285-612 December. #23 12/76
Cover price $0.30.
Dr. Spektor in "She Who Serves the Dark Gods" with appearance of Baron Tibor, Ra-Ka-Tep,and other past foes of Spektor, and "The Pit." Jesse Santos art. Painted front cover. # on cover 90285-408 August. #9 8/74
Cover price $0.25.
