Note: Australia is generally considered to be a continental landmass, rather than an island. If however one does count Australia among the islands it, not Greenland, would be the largest in the world (unless one also considered Antarctica an island).
... as those of Gestapo.
One particularly zealous – and successful - adversary was Abwehr sergeant Hugo Bleicher[?]. He dismantled Interallie[?] intelligence network and ...