Dunn, Emily. Reincarnated Religion? The Eschatology of the Church of Almighty God in Comparative Perspective. Studies in World Christianity. November 2016, 22 (3): 216–233. doi:10.3366/swc.2016.0157(英语).
Makemson 1957, p. 4 Makemson, Maude Worcester. The miscellaneous dates of the Dresden Codex. Publications of the Vassar College Observatory. June 1957, 6: i. Bibcode:1957PVasO...6....1M.
Merrill, Ronald T.; McElhinny, Michael W.; McFadden, Philip L. The magnetic field of the earth: paleomagnetism, the core, and the deep mantle. Academic Press(英语:Academic Press). 1998. ISBN 978-0-12-491246-5.
Eberl and Prager 2005, p. 28 Eberl, Markus; Christian Prager. Bʼolon Yokteʼ Kʼuh: Maya conceptions of war, conflict, and the underworld. Peter Eeckhout; Geneviève Le Fort (编). Wars and Conflicts in Prehispanic Mesoamerica and the Andes: Selected Proceedings of the Conference Organized by the Société des Américanistes de Belgique with the Collaboration of Wayeb (European Association of Mayanists), Brussels, 16–17 November 2002. British Archaeological Reports International Series, no. 1385. Oxford, UK: John and Erika Hedges Ltd. 2005: 28–36. ISBN 978-1-84171-706-7. OCLC 254728446.
Eberl and Prager 2005, pp. 29–30, citing Hieroglyphic Stairway E7-H12 at Palenque, plate 104 in Karl Herbert Mayer, Maya Monuments: Sculptures of Unknown Provenance, Supplement 4 [in which the Sajal Niil is depicted in his costume], and Stele 1 from La Mar. Eberl, Markus; Christian Prager. Bʼolon Yokteʼ Kʼuh: Maya conceptions of war, conflict, and the underworld. Peter Eeckhout; Geneviève Le Fort (编). Wars and Conflicts in Prehispanic Mesoamerica and the Andes: Selected Proceedings of the Conference Organized by the Société des Américanistes de Belgique with the Collaboration of Wayeb (European Association of Mayanists), Brussels, 16–17 November 2002. British Archaeological Reports International Series, no. 1385. Oxford, UK: John and Erika Hedges Ltd. 2005: 28–36. ISBN 978-1-84171-706-7. OCLC 254728446.