EC Comic Connection: Story adapted from The Vault Of Horror #25, June-July 1952. Story by William M. Gaines & Al Feldstein with art by Graham Ingels.Story adapted from Shock SuspenStories #6, Dec 1952-Jan 1953. Story by Al Feldstein with art by Jack Kamen.
There is also an EC comic story titled, "Dead Right !" in Tales From The Crypt #37 which was adapted for season three and renamed as the episode, "Abra Cadaver". EC comics recycled titles several times during their run.