The Treasury contains works from Late Antique , Carolingian , Ottonian , Staufen , and Gothic times .
In 1978 , the Aachen Cathedral Treasury , along with Aachen Cathedral , was the first monument on German soil to be entered in the List of UNESCO World Heritage Sites .
The Aachen Cathedral Treasury contains works from Late Antique , Carolingian , Ottonian , Staufen , and Gothic times .
In 1978 , the Aachen Cathedral Treasury , along with Aachen Cathedral , was the first monument on German soil to be entered in the List of UNESCO World Heritage Sites .