Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Aachen Cathedral ' has mentioned 'Limestone' in the following places:
Occurrence Sentence Text Source
Above him was a canopy of limestone and marble.
[1] c.1420: Statues on pillars in the choir made from Baumberg limestone.
1866xe2x80x931873: Statues added to the Chapel of St Matthew in Uldfangen limestone and to the Chapel of St Charles & St Hubert, Chapel of St Anne & the choir in Savonnixc3xa8res limestone by Gottfried Gxc3xb6tting.