Columbia subject headings:
Self-employed--Labor unions--Organizing--Canada--Case studies.
Self-employed--Legal status, laws, etc.--Canada--Case studies.
Harvard subject headings:
Labor unions--Canada
Self-employed--Legal status, laws, etc.--Canada.
Princeton subject headings:
Case studies.
Self-employed--Labor unions--Organizing--Canada--Case studies.
Self-employed--Legal status, laws, etc.--Canada--Case studies.