Book excerpt: List of figures and tables -- Abbreviations of libraries, archives and their collections -- Introduction: The Black Queen -- The Counts of Cilli and the Kingdom of Hungary -- Barbara, by the grace of God Queen of Hungary. From coronation through departure from Hungary (1405-1414) -- The First Lady of Europe. Barbara at the Time of the Council of Constance (1414-1418) -- Marital crisis and its settlement (1419-1423) -- Queen for a second time (1424-1430) -- The emancipated queen (1430-1436) -- The road to Prague and conflict with Sigismund (1436-1437) -- Just punishment or conspiracy? (1438-1439) -- The queen in exile (1440-1454) -- Tarnished memory. How a historical legend was born -- A few words in conclusion -- Bibliography -- Index.