Columbia subject headings:
Excavations (Archaeology)--England--London.
London (England)--Antiquities.
Royal Opera House (London, England)
Harvard subject headings:
Anglo-Saxons--England--London.
Excavations (Archaeology)--England--London
London (England)--Antiquities.
Royal Opera House (London, England)
Royal Opera House.
Princeton subject headings:
Excavations (Archaeology)--England--London.
London (England)--Antiquities.
Royal Opera House (London, England)