See an image that represents Nezahualpilli in the Visual Lexicon of Aztec Hieroglyphs, ed. Stephanie Wood (Eugene, Ore.: Wired Humanities, 2020-present).
Auh in titlacaoan, no qujtocaiotiaia tezcatlipuca, moiocoiatzi, iaotzi, necoc iautl, neҫaoalpilli = And Titlacauan they also named Tezcatlipoca, and Moiocoiatzin, Yaotzin, Necoc iaotl, and Neҫaualpilli (central Mexico, sixteenth century)
Fr. Bernardino de Sahagún, Florentine Codex: General History of the Things of New Spain; Book 3 -- The Origin of the Gods, Part IV, eds. and transl. Arthur J. O. Anderson and Charles E. Dibble (Santa Fe and Salt Lake City: School of American Research and the University of Utah, 1978), 12.
In iquac hualmohuicac Don her.dº Cortes del ualle Capitā yn omaxitito mexico nimā ye quimmitlania. ymichpuchhuā. Neçahualpiltzintli nahuītin ȳtotoca doña Francadoña clara doña ynes. doña maria. = When Don Hernando Cortés, [the Marquéz] del Valle, the Captain, came, when he arrived in Mexico, he then asked for Neçahualpiltzintli's four daughters, named doña Francisca, doña Clara, doña Inés, and doña María. (central Mexico, early seventeenth century)
Codex Chimalpahin: Society and Politics in Mexico Tenochtitlan, Tlatelolco, Culhuacan, and Other Nahuatl Altepetl in Central Mexico; The Nahuatl and Spanish Annals and Accounts Collected and Recorded by don Domingo de San Antón Muñón Chimalpahin Quauhtlehuanitzin, eds. and transl. Arthur J. O. Anderson and Susan Schroeder (Norman: University of Oklahoma Press, 1997), vol. 2, 186–187.
Auh injc macujlli, muchiuh tlatoanj tetzcuco, iehoatl in neçaoalpilli auh in tlatocat vmpoalxiujtl vn matlactli ioã exiujtl in jpan muchiuh iauiutl in noujian ic tepeoaloia = And the fifth who became ruler of Texcoco was Neçaualpilli, and he ruled for fifty-three-years. In his time war was made in all parts through which people were conquered. (central Mexico, sixteenth century)
Fr. Bernardino de Sahagún, Florentine Codex: General History of the Things of New Spain; Book 8 -- Kings and Lords, no. 14, Part IX, eds. and transl. Arthur J. O. Anderson and Charles E. Dibble (Santa Fe and Salt Lake City: School of American Research and the University of Utah, 1951), 9.in motecuçoma, oalmjtotitiuh, qujtzatzacutiuitze, qujoalitzcatitiuj, vmentin veueintin tlatoque Neçaoalpilli tetzcuco, totoqujoaztli, tepanecapan tlatoanj: vel mauiztli oonoc in nehtotiloia = Moctezuma came forth with them; he came out dancing. At his right and left came two great princes, Neçaualpilli of Texcoco and Totoquiuaztli, ruler of the Tepaneca. Great solemnity reigned as all danced. (16th century, Mexico City)
Fr. Bernardino de Sahagún, Florentine Codex: General History of the Things of New Spain; Book 2—The Ceremonies, No. 14, Part III, eds. and transl. Arthur J. O. Anderson and Charles E. Dibble (Santa Fe and Salt Lake City: School of American Research and the University of Utah, 1951), 54.