Chartres Cathedral - Stained Glass Window of the Good Samaritan. Print ( Cathedrale de Chartres - Vitrail du Bon Samaritain ) Measure 10"in H x 7 1/2"in W. No frame. The stained-glass windows of Chartres or the stained-glass windows of the Notre-Dame de Chartres cathedral are considered to be one of the most complete and best-preserved sets of medieval times. They are particularly famous for their colors and in particular for the blue. They cover a total area of 2,600 m2 and present a unique collection of 172 bays illustrating the Bible and the life of the saints, as well as that of the corporations of the time. It was built between 1205-1240