Information for this index from Tom Lammers. Sekowsky and Giella are listed in the credits as doing the Willie artwork but with no breakdown of who did what. Atlas Tales has not attributed these stories to either of them.
Notes:
Lists credits: Stan Lee, Managing Editor, Director of Art; Mike Sekowsky, Joe Giella, “Willie” art; R. Solomon, Consulting Associate; Jim Miele, Al Sulman, Editorial Associates; Gary Keller, Production Associate.