Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Sacred City of Caral-Supe' has mentioned 'Textiles' in the following places:
Occurrence Sentence Text Source
They write that the artifact is evidence that the quipu record keeping system, a method involving knots tied in textiles that was brought to its highest development by the Inca Empire, was older than any archaeologist previously had determined.