1818, Jane Austen, Northanger Abbey, ch. 5,Every search for him was equally unsuccessful, in morning lounges or evening assemblies; neither at the Upper nor Lower Rooms, at dressed or undressed balls, was he perceivable.
2003, "Man in Pakistan: I'm on list," USA Today, 1 Jan. (retrieved 2 Nov. 2008),The only perceivable difference between the AP and FBI photos is that the man in the FBI photo is clean-shaven and shorter-haired.
