Speculum doctrinale

Manuscript 251 contains the first nine of eighteen books of the Speculum Doctrinale - Mirror of doctrine - by Vincent of Beauvais (c. 1190-1264). Mirror of doctrine is the second part of Speculum Maius - the Great Mirror -, a compendium of medieval knowledge. Other parts of the Great Mirror are the Speculum Naturale and the Speculum Historiale. Mirror of doctrine deals with the subjects of grammar…