Columbia subject headings:
Byzantine Empire--Gazetteers.
Byzantine Empire--History, Local.
Cephalonia (Greece : Municipality)--Gazetteers.
Cephalonia (Greece : Municipality)--History.
Nicopolis (Byzantine Empire : Theme)--Gazetteers.
Nicopolis (Byzantine Empire : Theme)--History.
Harvard subject headings:
Byzantine Empire--Gazetteers.
Byzantine Empire--History, Local.
Cephalonia (Greece : Municipality)--Gazetteers.
Cephalonia (Greece : Municipality)--History.
Epirus (Greece and Albania)--Historical geography.
Greece--Historical geography.
Ionian Islands (Greece)--Historical geography.
Nicopolis (Byzantine Empire : Theme)--Gazetteers.
Nicopolis (Byzantine Empire : Theme)--History.
Princeton subject headings:
Epirus (Greece and Albania)--Gazetteers.
Epirus (Greece and Albania)--Historical geography.
Ionian Islands (Greece)--Gazetteers.
Ionian Islands (Greece)--History.