Page:De Vinne, Invention of Printing (1876).djvu/274

 XIV

André Chevillier.

Speculum Salutis was popular as a manuscript for at least two centuries before the invention of typography. Heineken describes a copy in the imperial library of Vienna, which he attributes to the twelfth century. He says, such was the popularity of the work with the Benedictines that almost every monastery possessed a copy of it. Of the four manuscript copies owned by the British Museum, one is supposed to have been written in the thirteenth century, another copy is in the Flemish writing of the fifteenth century. The printed