Columbia subject headings:
Architecture--France--Nord-Pas-de-Calais--History.
Architecture--France--Picardy--History.
Bell towers--France--Nord-Pas-de-Calais--History.
Bell towers--France--Picardy--History.
Cities and towns--France--Nord-Pas-de-Calais--History.
Cities and towns--France--Picardy--History.
Nord-Pas-de-Calais (France)--Buildings, structures, etc.
Picardy (France)--Buildings, structures, etc.
Harvard subject headings:
Princeton subject headings:
Architecture--France--Nord-Pas-de-Calais--History.
Architecture--France--Picardy--History.
Bell towers--France--Nord-Pas-de-Calais--History.
Bell towers--France--Picardy--History.
Cities and towns--France--Nord-Pas-de-Calais--History.
Cities and towns--France--Picardy--History.
Nord-Pas-de-Calais (France)--Buildings, structures, etc.
Picardy (France)--Buildings, structures, etc.