Giedroyc, Jerzy, August Zamoyski, and Hélène Zamoyska. Letters 1956-1970. Edited by Agnieszka Papieska and Andrzej Stanisław Kowalczyk. Jerzy Giedroyc and. Poland: Lodz University Press, 2024. Accessed January 23, 2026. https://www.press.uni.lodz.pl/index.php/wul/catalog/book/967.