Carl Lehrburger, “Petroglyphic Features of Portable Rock Art”, 2020, Ancient Origins® Magazine, Dec 16, 2020 lehrburger8.pdf
Carell, “Lost Rock Art Found — Portable Rock Art – Changing Archaeology Forever?” Carell, Published in Ancient American Magazine, June 2019, download https://newhistoryofamerica.com/lost-rock-art-found/. , lehrburger7.pdf
Carl Lehrburger April 2010 “Ancient Micro Art Discovery, California Heliolithic Petroglyph Animation Revealed on Equinox –Old World Origin Proposed” in Ancient American, Issue 87, 14:20-23 lehrburger6.pdf. A video of the animation is at https://www.newhistoryofamerica.com/video/
Carl Lehrburger and Kean Scott Monahan, 2006, ‘Evidence of Old World Travelers in Colorado: The Sun Temple and Crack Cave’ in Ancient American, Issue 70, 11:2-17 lehrburger5.pdf.
Carl Lehrburger, 2006, ‘The Anubis Caves: Evidence of Mithraism and Celtic Religion in the Oklahoma Panhandle’ Part One, In Ancient American, Issue 68, 11:8-12 lehrburger4.pdf. Part Two,
Carl Lehrburger, 2006, ‘The Anubis Caves: Mithraic Religion in the Oklahoma Panhandle’, In Ancient American, Issue 69, 11:26-30 lehrburger3.pdf.
Carl Lehrburger, 2005, ‘Ancient Colorado Rock Art Site Employs Light Animation to Mark Equinoxes: Astronomical Alignments Predate Anasazi Civilization’ Part One, In Ancient American, Issue 65, 10:12 lehrburger2.pdf; Part Two, In Ancient American, Issue 66, 10:15-19 lehrburger1.pdf.