Columbia subject headings:
Harvard subject headings:
Architecture, Modern--20th century.
Architecture--Mexico--History--20th century.
Instituto Mexicano del Seguro Social--Buildings.
Prieto Posadas, Alejandro, 1924-1996.
Public buildings--Mexico--History--20th century.
Princeton subject headings:
Architecture, Modern--20th century.
Architecture--Mexico--History--20th century.
Instituto Mexicano del Seguro Social--Buildings.
Prieto Posadas, Alejandro, 1924-1996.
Public buildings--Mexico--History--20th century.