Columbia subject headings:
Community development--England--Durham (County)
Durham (England : County)--Social conditions.
Miners--England--Durham (County)
Mining districts--England--Durham (County)
Harvard subject headings:
Community development--England--Durham (County)
Durham (England : County)--Social conditions.
Miners--England--Durham (County)
Mining districts--England--Durham (County)
Princeton subject headings:
Community development--England--Durham (County).
Durham (England : County)--Social conditions.
Miners--England--Durham (County).
Mining districts--England--Durham (County).