Trykt i Italia. JES-number: S 27.
from Stålpojken (Williams Förlags AB, 1969 series) #3/1973 [co-published]
from Superboy (DC, 1949 series) #191 (October 1972)First story with printed credits.
from Superman (DC, 1939 series) #251 (May 1972)
from Superboy (DC, 1949 series) #191 (October 1972)