^Ernout, Alfred,Meillet, Antoine (1985) “pilus”, inDictionnaire étymologique de la langue latine: histoire des mots (in French), 4th edition, with additions and corrections ofJacques André, Paris: Klincksieck, published2001, page507b
^De Vaan, Michiel (2008) “pilus”, inEtymological Dictionary of Latin and the other Italic Languages (Leiden Indo-European Etymological Dictionary Series; 7), Leiden, Boston: Brill,→ISBN,page465
“pilus”, inCharlton T. Lewis and Charles Short (1879)A Latin Dictionary, Oxford: Clarendon Press
“pilus”, inCharlton T. Lewis (1891)An Elementary Latin Dictionary, New York: Harper & Brothers
"pilus", in Charles du Fresne du Cange’sGlossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)