 | The Lwów Oath (Polish: Śluby lwowskie) was an oath made on April 1, 1656 by Polish king John II Casimir in Latin cathedral in the city of Lwów (today Lviv... 5 KB (629 words) - 00:54, 18 September 2023 |
 | Archived from the original on 7 May 2019. Retrieved 5 August 2019. "Śluby lwowskie po 350 latach – Lwów, 1 kwietnia 2006". lwow.com.pl (in Polish). Archived... 12 KB (1,491 words) - 19:57, 26 December 2023 |
 | pp. 416–421. (in Polish) Stanisław Kosiedowski (2007). "Jak powstawało lwowskie Ossolineum (How Lviv Ossolineum was established)". Józef Maksymilian Ossoliński... 36 KB (3,981 words) - 01:40, 25 February 2024 |