Columbia subject headings:
Montréal (Québec)--History--20th century.
Montréal (Québec)--Politics and government.
Municipal officials and employees--Labor unions--Québec (Province)--Montréal.
Harvard subject headings:
Montréal (Québec)--History--20th century.
Montréal (Québec)--Politics and government.
Municipal government--Québec (Province)--Montréal--History.
Municipal officials and employees--Labor unions--Québec (Province)--Montréal.
Princeton subject headings:
Montréal (Québec)--Politics and government--20th century.