 However, some rightist units of the Armia Krajowa excluded Jews.Similarly, some members of the Delegate's Bureau saw Jews and ethnic Poles as separate entities.Historian Israel Gutman has noted that AK leader Stefan Rowecki advocated the abandonment of the long-range considerations of the underground and the launch of an all-out uprising should the Germans undertake a campaign of extermination against ethnic Poles, but that no such plan existed while the extermination of Jewish Polish citizens was under way.