Found on the inside front cover.
Art credits by Craig Delich. We previously suggested Howard Sherman as inker.
Letter credit by Craig Delich.
Inker credit by Craig Delich. Story set in Austria.
Pencil credits verified by Lew Schwartz and Bob Kane. Inker credit by Craig Delich. Letters credit from Todd Klein via his Klein Letters blog (19 September 2016, http://kleinletters.com/Blog/ira-schnapp-in-worlds-finest-comics-part-2/).