Columbia subject headings:
Ball, John, -1381--Fiction.
Civilization, Medieval--14th century--Fiction.
Great Britain--History--Richard II, 1377-1399--Fiction.
Hungary--Kings and rulers--Fiction.
Matthias I, King of Hungary, 1443-1490--Fiction.
Revolutionaries--England--Fiction.
Tyler's Insurrection, 1381--Fiction.
Working class--Great Britain.
Harvard subject headings:
Ball, John, -1381--Fiction.
Civilization, Medieval--14th century--Fiction.
Great Britain--History--Richard II, 1377-1399--Fiction.
Hungary--Kings and rulers--Fiction.
Matthias I, King of Hungary, 1443-1490--Fiction.
Revolutionaries--England--Fiction.
Tyler's Insurrection, 1381--Fiction
Working class--Great Britain
Princeton subject headings:
Ball, John, -1381--Fiction.
Civilization, Medieval--14th century--Fiction.
Fiction.
Great Britain--History--Richard II, 1377-1399--Fiction.
Hungary--Kings and rulers--Fiction.
Matthias I, King of Hungary, 1443-1490--Fiction.
Revolutionaries--England--Fiction.
Tyler's Insurrection, 1381--Fiction.
Working class--Great Britain.