Columbia subject headings:
Carrickfergus Castle.
Harvard subject headings:
Carrickfergus (Northern Ireland)--Antiquities.
Carrickfergus (Northern Ireland)--Buildings, structures, etc.
Carrickfergus Castle (Carrickfergus, Northern Ireland)
Northern Ireland--Antiquities.
Princeton subject headings:
Carrickfergus (Northern Ireland)--Antiquities.
Carrickfergus (Northern Ireland)--Buildings, structures, etc.
Carrickfergus Castle (Carrickfergus, Northern Ireland)
Northern Ireland--Antiquities.