sentences:  Hours of Catherine of Cleves
  
  The Hours of Catherine of Cleves (Morgan Library and Museum, now divided in two parts, M. 917 and M. 945, the latter sometimes called the Guennol Hours or, less commonly, the Arenberg Hours) is an ornately illuminated manuscript in the Gothic art style, produced in about 1440 by the anonymous Dutch artist known as the "Master of Catherine of Cleves.