ON AUGUST 16, 1968, I WAS HANDED A BOOK WRITTEN BY A CERTAIN Abbé Vallet, Le Manuscrit de Dom Adson de Melk, traduit en français d’après l’édition de Dom J. Mabillon (Aux Presses de l’Abbaye de la Source, Paris, 1842). Supplemented by historical information that was actually quite scant, the book claimed to reproduce faithfully a fourteenth-century manuscript that, in its turn, had been found in the monastery of Melk