Some remakes on the Central European part of the expedition of Henry : earl of Derby in 1392-1393

Szántó, Richárd. 2003. “Some Remakes on the Central European Part of the Expedition of Henry : Earl of Derby in 1392-1393”. Chronica 3 (January):64-69. https://www.iskolakultura.hu/index.php/chronica/article/view/10655.