Sergio Bonelli Editore
Seriemagasinet #3/1951
published November 1951
as [untitled] [Story on Interior Page(s)]
original title: La roccia parlante
Eureka Pocket #7 published ?
Seriemagasinet #1/1951 published September 1951
Seriemagasinet #2/1951 published October 1951
Eureka #7 published May 1968