Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Wartburg Castle' has mentioned 'World Heritage List' in the following places:
Occurrence Sentence Text Source
In 1999, UNESCO added Wartburg Castle to the World Heritage List.
In 1999, UNESCO added Wartburg Castle to the World Heritage List as an "Outstanding Monument of the Feudal Period in Central Europe", citing its "Cultural Values of Universal Significance".