Columbia subject headings:
Museums--Canada.
Museums--Newfoundland and Labrador.
Museums--United States.
Harvard subject headings:
Museums--Canada--Directories.
Museums--Canada.
Museums--Newfoundland and Labrador.
Museums--United States--Directories
Museums--United States--Handbooks, manuals, etc.
Museums--United States.
Princeton subject headings:
Museums--Canada.
Museums--Newfoundland.
Museums--United States.