Perween Hasan (2007). Sultans and Mosques: The Early Muslim Architecture of Bangladesh. I.B.Tauris. pp. 16–17. ISBN978-1-84511-381-0. https://books.google.com/books?id=Uunyz4qFZwEC&pg=PA16. ""[Husayn Shah pushed] its western frontier past Bihar up to Saran in Jaunpur ... when Sultan Husayn Shah Sharqi of Jaunpur fled to Bengal after being defeated in battle by Sultan Sikandar Lodhi of Delhi, the latter attacked Bengal in pursuit of the Jaunpur ruler. Unable to make any gains, Sikandar Lodhi returned home after concluding a peace treaty with the Bengal sultan.""