The foregoing tale, one would suspect, had been suggested to Mr. Knickerbocker by a little German superstition about the Emperor Frederick der Rothbart and the Kypphauser mountain; the subjoined note, however, which he had appended to the tale, shows that it is an absolute fact, narrated with his usual fidelity: + 

“The story of Rip Van Winkle may seem incredible to many, but nevertheless I give it my full belief, for I know the vicinity of our old Dutch settlements to have been very subject to marvellous events and appearances. Indeed, I have heard many stranger stories than this, in the villages along the Hudson; all of which were too well authenticated to admit of a doubt. I have even talked with Rip Van Winkle myself, who, when last I saw him, was a very venerable old man, and so perfectly rational and consistent on every other point, that I think no conscientious person could refuse to take this into the bargain; nay, I have seen a certificate on the subject taken before a country justice, and signed with cross, in the justice’s own handwriting. The story, therefore, is beyond the possibility of doubt. + 