IPC
Judge Dredd #10
published August 1984
as The Day the Law Died! Part Two (a.k.a. Judge Caligula) [Story on Interior Page(s)]
Magnum Spesial #5/1990
published June 1990
as Dommer Dredd møter dommer Caligula del 5 [Story on Interior Page(s)]
2. translation
The Complete Judge Dredd #8
published September 1992
as The Tyrant's Grip [Story on Interior Page(s)]