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Ibn Khaldun - Wikipedia
Ibn Khaldūn | 14th Century Muslim Historian & Philosopher
Ibn Khaldūn - Historian, Philosopher, Muqaddimah | Britannica
Ibn Khaldun (1332–1406) | Encyclopedia.com
Ibn Khaldun: His Life and Works - Muslim Heritage
Ibn Khaldūn summary | Britannica
Ibn Khaldûn | Encyclopedia.com
Ibn Khaldun: An Intellectual Biography - Google Books
Ibn Khaldun | Oxford Academic
Ibn Khaldun | Oxford Centre for Islamic Studies