Columbia subject headings:
Architecture--Canada--History--19th century.
Architecture--Canada--History--20th century.
Architecture--Canada--History.
Harvard subject headings:
Architecture, Modern--19th century
Architecture, Modern--19th century--Canada.
Architecture, Modern--Canada--19th century.
Architecture--Canada--History--19th century.
Princeton subject headings:
Architecture, Modern--19th century--Canada--History.
Architecture, Modern--20th century--Canada--History.
Architecture--Canada--History.