Columbia subject headings:
Architecture, Medieval--Turkey--Bayburt İli--History--Congresses.
Bayburt İli (Turkey)--Buildings, structures, etc.--History--Congresses.
Castles--Turkey--Bayburt İli--History--Congresses.
Fortification--Turkey--Bayburt İli--History--Congresses.
Harvard subject headings:
Architecture, Medieval--Turkey--Bayburt İli--History--Congresses.
Bayburt İli (Turkey)--Buildings, structures, etc.--History--Congresses.
Castles--Turkey--Bayburt İli--History--Congresses.
Fortification--Turkey--Bayburt İli--History--Congresses.
Princeton subject headings:
Architecture, Medieval--Turkey--Bayburt İli--History--Congresses.
Bayburt İli (Turkey)--Buildings, structures, etc.--History--Congresses.
Castles--Turkey--Bayburt İli--History--Congresses.
Fortification--Turkey--Bayburt İli--History--Congresses.