Moreira credits from Saltarella via the GCD Error Tracker and from Tristan Lapoussiére's index of the Big Boy reprint.
The indexer of the Artima reprint credits Ruben Moreira with the pencils and inks.
Published in cooperation with the National Social Welfare Assembly.
Previously appeared in DC comics cover-dated February 1954 and later appears in those cover-dated January 1960.