@inbook{Setton+1978+161+195,
url = {https://doi.org/10.70249/9798893981605-007},
title = {6. CALIXTUS III AND THE SIEGE OF BELGRADE, MEHMED II AND ALBANIA (1455-1458)},
booktitle = {Papacy and the Levant (1204-1571), Vol. II},
booktitle = {The 15th Century, Memoirs, American Philosophical Society (vol. 127)},
author = {Kenneth M. Setton},
publisher = {The American Philosophical Society Press},
address = {Philadelphia, PA},
pages = {161--195},
doi = {doi:10.70249/9798893981605-007},
isbn = {9798893981605},
year = {1978},
lastchecked = {2026-05-02}
}