Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Speyer Cathedral' has mentioned 'German Empire' in the following places:
Occurrence Sentence Text Source
In 1981, the cathedral was added to the UNESCO World Heritage List of culturally important sites as "a major monument of Romanesque art in the German Empire".
The International Council on Monuments and Sites (ICOMOS) justified the inclusion: "The cathedral of Speyer, with those of Worms and Mayence (Mainz), is a major monument of Romanesque art in the German Empire.