Columbia subject headings:
Architecture, Modern--20th century--Designs and plans.
Architecture, Modern--20th century.
Architecture, Modern--21st century--Designs and plans.
Architecture, Modern--21st century.
Frassoni, Roberto--Criticism and interpretation.
Tortelli, Giovanni--Criticism and interpretation.
Harvard subject headings:
Architecture, Modern--20th century--Designs and plans
Architecture, Modern--21st century
Architecture, Modern--21st century--Designs and plans.
Frassoni, Roberto--Criticism and interpretation.
Tortelli, Giovanni--Criticism and interpretation.
Princeton subject headings:
Architecture, Modern--20th century--Designs and plans.
Architecture, Modern--20th century.
Architecture, Modern--21st century--Designs and plans.
Architecture, Modern--21st century.
Frassoni, Roberto--Criticism and interpretation.
Tortelli, Giovanni--Criticism and interpretation.