Dragon Houses of Euboea
Links:
https://archivapp.sagenhaftezeiten.com/de/profiles/ae8c0f8191ae/editions/27195bef1ad333753a79/pages/page/7
https://en.wikipedia.org/wiki/Dragon_houses
https://novoscriptorium.com/2019/07/25/the-dragon-houses-megalithic-monuments-in-euboea-greece-what-we-know-so-far/
https://digi.ub.uni-heidelberg.de/diglit/ulrichs1863
https://archive.org/details/travelsinvarious00walp
https://adsabs.harvard.edu/full/2009JAHH…12..153T
http://maajournal.com/Issues/2010/Vol10-3/STYRA_REBER.pdf
https://books.google.ch/books?id=gQiktQEACAAJ&dq=%22The+invisible+harmony+of+the+ancient+Greek+world+and+the+apocryphal+geometry+of+the+Greeks%22&hl=de&sa=X&ved=0ahUKEwiyudyYzMTdAhUNlYsKHaJQBEIQ6AEIKjAA