Columbia subject headings:
Architectural drawing.
Architecture--Italy--Rome--History--Designs and plans.
Hamburg (Germany)--Buildings, structures, etc.--Designs and plans.
Rome (Italy)--Buildings, structures, etc.--Designs and plans.
Harvard subject headings:
Architectural drawing
Architecture, Modern--20th century--Italy--Rome--Designs and plans.
Architecture--Italy--History--20th century--Rome--Designs and plans.
Architecture--Italy--Rome--History--Designs and plans.
Hamburg (Germany)--Buildings, structures, etc.--Designs and plans.
Rome (Italy)--Buildings, structures, etc.--Designs and plans.
Princeton subject headings:
Architectural drawing.
Architecture, Modern--20th century--Italy--Rome--Designs and plans.
Hamburg (Germany)--Buildings, structures, etc.--Designs and plans.
Rome (Italy)--Buildings, structures, etc.--Designs and plans.