Columbia subject headings:
Harvard subject headings:
Athens (Greece)--History--Duchy, 1205-1458.
Byzantine Empire--History--Andronicus II Palaeologus, 1282-1328.
Catalan Grand Company
Flor, Roger de, -1305.
Princeton subject headings:
Athens (Greece : Duchy : 1205-1458).
Byzantine Empire--History--Andronicus II Palaeologus, 1282-1328.
Catalan Grand Company.
Flor, Roger de, -1305.