Columbia subject headings:
Architecture--Canada--Guidebooks.
Canada--Guidebooks.
Courthouses--Canada--Guidebooks.
Harvard subject headings:
Architecture--Canada--Guidebooks.
Canada--Guidebooks.
Courthouses--Canada--Guidebooks.
Princeton subject headings:
Architecture--Canada--Guidebooks.
Canada--Description and travel.
Canada--Guidebooks.
Courthouses--Canada--Guidebooks.
Guidebooks.