Halecki, Oskar
The crusade of Varna : a discussion of controversial problems / by O. Halecki. - New York : Polish Institute of Arts and Sciences in America, [1943]. - 96 s. ; 24 cm. - Polish institute series ; No. 3 .
Władysław -- III Warneńczyk -- King of Poland and Hungary -- 1424-1444. Szeged, Hungary, Treaty of, 1444 Varna, Battle of, Varna, Bulgaria, 1444
The crusade of Varna : a discussion of controversial problems / by O. Halecki. - New York : Polish Institute of Arts and Sciences in America, [1943]. - 96 s. ; 24 cm. - Polish institute series ; No. 3 .
Władysław -- III Warneńczyk -- King of Poland and Hungary -- 1424-1444. Szeged, Hungary, Treaty of, 1444 Varna, Battle of, Varna, Bulgaria, 1444