Note 1239 — Chapter XII · REGIONAL GEOGRAPHY
Reading edition
W. W. Rockhill, translator and editor, The Journey of William of Rubruck to the Eastern Parts of the World, 1253–55, As Narrated by Himself, With Two Accounts of the Earlier Journey of John of Pian de Carpine, Hakluyt Society Publications, series 2, vol. iv, London, 1900, p. xiii.