Columbia subject headings:
Cities and towns--Latin America--History--Congresses.
Cities and towns--Spain--History--Congresses.
City planning--Latin America--History--Congresses.
City planning--Spain--History--Congresses.
Urbanization--Latin America--History--Congresses.
Urbanization--Spain--History--Congresses.
Harvard subject headings:
Cities and towns--History--Congresses
Cities and towns--Latin American--History--Congresses.
Cities and towns--Spain--History--Congresses.
City planning--Latin America--History--Congresses.
City planning--Spain--History--Congresses.
Civilization, Hispanic--Congresses.
Urbanization--Congresses
Urbanization--Latin America--Congresses
Urbanization--Latin America--History--Congresses.
Urbanization--Spain--Congresses.
Urbanization--Spain--History--Congresses.
Princeton subject headings:
Cities and towns--Latin America--History--Congresses.
Cities and towns--Spain--History--Congresses.
City planning--Latin America--History--Congresses.
City planning--Spain--History--Congresses.
Urbanization--Latin America--History--Congresses.
Urbanization--Spain--History--Congresses.