Columbia subject headings:
Architectural drawing--Italy--Milan.
Architecture, Baroque--Italy--Milan.
Bianconi, C. (Carlo), 1732-1802--Art collections.
Mannerism (Architecture)--Italy--Milan.
Milan (Italy)--Buildings, structures, etc.
Harvard subject headings:
Architectural drawing--Italy--Milan--Catalogs.
Bianconi, C. (Carlo), 1732-1802--Art collections--Catalogs.
Biblioteca trivulziana--Catalogs.
Princeton subject headings:
Architectural drawing--Italy--Milan.
Architecture--Italy--Milan.
Bianconi, C. (Carlo), 1732-1802--Art collections.