Assertion: chariot's use | /r/HasProperty | established by such hittite documents
Facets:
value: textually well
type: MANNER
Source sentences:
text: 1650 - 1620: The use of chariots in warfare is textually well established by such Hittite documents as "The Seige of Ursu" and the annals of the reign of Hattusili I.