Columbia subject headings:
Architecture--Brazil--History--20th century.
Architecture--Conservation and restoration--Brazil.
Architecture--Conservation and restoration--India.
Architecture--Data processing.
Architecture--India--History--20th century.
Digital preservation.
Harvard subject headings:
Architecture--Brazil--History--20th century
Architecture--Conservation and restoration--Brazil.
Architecture--Conservation and restoration--India.
Architecture--Data processing
Architecture--India--History--20th century
Digital preservation
Princeton subject headings:
Architecture--Brazil--History--20th century.
Architecture--Conservation and restoration--Brazil.
Architecture--Conservation and restoration--India.
Architecture--Data processing.
Architecture--India--History--20th century.
Digital preservation.