Columbia subject headings:
Harvard subject headings:
International Typographical Union--History.
International Typographical Union.
Printing industry--Employees--Labor unions--Canada--History.
Printing industry--Employees--Labor unions--Ontario--Toronto--History.
Printing industry--Ontario--Toronto--History.
Toronto Typographical Union--History.
Princeton subject headings:
International Typographical Union.
Printing industry--Employees--Labor unions--Canada--History.
Toronto Typographical Union.