Herrmann, Edward W.; Monaghan, G. William; Romain, William F.; Schilling, Timothy M.; Burks, Jarrod; Leone, Karen L.; Purtill, Matthew P.; Tonetti, Alan C. (2014). "A new multistage construction chronology for the Great Serpent Mound, USA". Journal of Archaeological Science. 50: 117–125. Bibcode:2014JArSc..50..117H. doi:10.1016/j.jas.2014.07.004.
Romain, William (2021). "Subduing the Demons of Tibet: Geomantic Magic During the Yarlung Dynasty: A Landscape Archaeology Assessment". Time and Mind: The Journal of Archaeology, Consciousness and Culture. March 2021: 33–71. doi:10.1080/1751696X.2021.1864946. S2CID233016068.
"Ohio Archaeologist: Volume 42, Number 2 (Spring, 1992)". 2 March 1992. hdl:1811/55904. {{cite journal}}: Cite journal requires |journal= (help)
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Herrmann, Edward W.; Monaghan, G. William; Romain, William F.; Schilling, Timothy M.; Burks, Jarrod; Leone, Karen L.; Purtill, Matthew P.; Tonetti, Alan C. (2014). "A new multistage construction chronology for the Great Serpent Mound, USA". Journal of Archaeological Science. 50: 117–125. Bibcode:2014JArSc..50..117H. doi:10.1016/j.jas.2014.07.004.
Romain, William (2021). "Subduing the Demons of Tibet: Geomantic Magic During the Yarlung Dynasty: A Landscape Archaeology Assessment". Time and Mind: The Journal of Archaeology, Consciousness and Culture. March 2021: 33–71. doi:10.1080/1751696X.2021.1864946. S2CID233016068.