*Strakosch-Grassmann, "Einfall der Mongolen in Mittel-Europa 1241–1242", Innsbruck, 1893*Thackston, W.M., "Rashiduddin Fazlullah’s Jamiʻuʾt-tawarikh (Compendium of Chronicles)", Harvard University, Department of Near Eastern Languages and Civilizations, 1998–99*Turnbull, Stephen (2003).
*Strakosch-Grassmann, "Einfall der Mongolen in Mittel-Europa 1241–1242", Innsbruck, 1893*Thackston, W.M., "Rashiduddin Fazlullah’s Jamiʻuʾt-tawarikh (Compendium of Chronicles)", Harvard University, Department of Near Eastern Languages and Civilizations, 1998–99*Turnbull, Stephen (2003).