Columbia subject headings:
Harvard subject headings:
Aleixo (Porto, Portugal)--History.
City planning--Portugal--Porto.
Porto (Portugal)--Social conditions--20th century.
Porto (Portugal)--Social conditions--21st century.
Urban renewal--Portugal--Porto.
Princeton subject headings:
Aleixo (Porto, Portugal)--History.
City planning--Portugal--Porto.
Porto (Portugal)--Social conditions--20th century.
Porto (Portugal)--Social conditions--21st century.
Urban renewal--Portugal--Porto.