Columbia subject headings:
Cities and towns--History--Congresses.
Cities and towns--Pictorial works--Congresses.
City and town life--History--Congresses.
City planning--History--Congresses.
Harvard subject headings:
Cities and towns--History--Congresses
Cities and towns--Maps--History--Congresses.
Cities and towns--Pictorial works--History--Congresses.
City and town life--History--Congresses.
Granada (Spain)--History--Congresses.
Princeton subject headings:
Cities and towns--History--Congresses.
Cities and towns--Maps--History--Congresses.
Cities and towns--Pictorial works--History--Congresses.
City and town life--History--Congresses.
Granada (Spain)--History--Congresses.