Back الكسندر جيسزتور ARZ Аляксандр Гейштар Byelorussian Александер Гейщор Bulgarian Aleksander Gieysztor Czech Aleksander Gieysztor German Aleksander Gieysztor French Aleksander Gieysztor Italian Aleksander Gieysztor Polish Гейштор, Александр Russian Aleksander Gieysztor Swedish
Aleksander Gieysztor (17 July 1916 – 9 February 1999) was a Polish medievalist historian.