1. Abt, Th. (2014). (Göbekli Tepe. Cultural memory and the knowledge of nature.) Göbekli Tepe. Kulturelles Gedächtnis und das Wissen der Natur. Zeitschrift für orientalische Archäologie, 7, pp 90–124.
2. Abt, Th. (2023). Göbekli Tepe. Cultural memory and the knowledge of nature. Zurich: Living Human Heritage Publications.
3. Aristotle (4th century BCE). Corpus aristotelicum: (About the soul) De anima II 1, 412a, (Metaphysics) Metaphys. VII.13, 1038b 1-6, IX.8, 1050a 9–16, (Physics) Phys. Ill, 1.
4. Arnalds, Ó., & Aradóttir, Á. (2015). (To read and heal the land.) Að lesa og lækna landið. Landvernd (Iceland).
5. Augustine of Hippo (around 400 CE). (Exposition of the Psalms.) Expositio Psalmorum, p. 565 in the edition printed in Basel in the year 1497 by Johann Amerbach.