Xiongnu or Hsiung-nu in Wiktionary, the free dictionary. Wikisource has the text of the 1911 Encyclopædia Britannica article "Hiung-nu". Material Culture...

likely in c. 370 A. D. had to bargain with the attack of the Jouan-Jouan or Hiung-nu or the White Huns from Bactria or Valhika. He put his son within the charge...

ibid., Vol. 95, pp. 12b-13a Shiratori, Kurakichi, Uber die Sprache des Hiung-nu Stammes und der Tung-hu-Stdmme, Tokyo, 1900 Ramstedt G.J., "Zur Frage nach...