Pawłowski, D. (2024). Walter E. Kaegi, Heraclius: emperor of Byzantium, Cambridge University Press, New York 2003, ss. 359, 6 il., 10 map, ISBN 0-521-81459-6. Balcanica Posnaniensia. Acta Et Studia, 31, 402–404. https://doi.org/10.14746/bp.2024.31.21