Shortly after leaving office of prime minister, he engaged in a duel with Stanisław Szeptycki, in which Skrzynski refused to fire. He was killed in a car accident at Łąkociny, Poland.[2]
(in Polish) Piotr Stefan Wandycz. Aleksander Skrzyński : minister spraw zagranicznych II Rzeczypospolitej. Warszawa: Polski Instytut Spraw Międzynarodowych, 2006. ISBN978-83-89607-40-9