Piron 2007, p. 336. La Rochette 1867, pp. 285–286, gives his birthplace as Bar-sur-Seine. Piron, Sylvain (2007). "Nicholas of Bar's Collection". In Schabel, Christopher (ed.). Theological Quodlibeta in the Middle Ages: The Fourteenth Century. Brill. pp. 333–343. La Rochette, Charles de (1867). Histoire des évêques de Mâcon. Vol. 2. Mâcon.{{cite book}}: CS1 maint: location missing publisher (link)
