See:
- M.H. Jameson, "Excavations at Porto Cheli and Vicinity, Preliminary Report, I: Halieis, 1962-68," Hesperia 38 (1969), pp. 311-4
- Daniel J. Pullen: The Prehistoric Remains of the Acropolis at Halieis: A Final Report, Hesperia, Vol. 69, No. 2 (Apr. - Jun., 2000), pp. 133-187
- Marian Holland McAllister: The Excavations at Ancient Halieis: The fortifications and adjacent structures, Indiana University Press, 2005
- https://www.academia.edu/3498326/The_Prehistoric_Remains_of_the_Acropolis_at_Halieis_A_Final_Report%C2%A0
- https://www.helladic.info/MAPC/pkey_report_wparam.php?place=C889