[Ruysbroeck, Willem van].
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. Transl. from the Latin, and ed., with an introd. notice by William Woodville Rockhill. (London : Printed for the Hakluyt Society, 1900). (Publications / Hakluyt Society ; ser. 2, no 4).
http://depts.washington.edu/silkroad/texts/rubruck.html.
(Rock13)
Travel and Legation Accounts