WDB	Opusculum ad augenda[m] conserua[n]da[mque] sanitatem et prolo[n]gandam Vitam Valde quam non Vtile modo: sed etiam necessarium / Psellos, Michael *1018-1078*. - Electronic ed.. - Erffordie : Schenck, 1499 Permalink: http://diglib.hab.de/inkunabeln/55-quod-4/start.htm					Deutsch
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