Art credit from JVJ index card attached to scanned version online credits C.F. Miller (and Baker? Unclear). Previous indexer refers to this as "Smiley face artist."
Art credit from JVJ index card attached to scanned version online.
Tentative art credits from JVJ index card attached to scanned version online. JVJ just writes "Davoren?" and it's unclear if he means Al, Earl or Walter (who could be three different people or maybe just one or two).