Columbia subject headings:
Poor--United States.
Video recordings for the hearing impaired.
Working class--United States--Economic conditions.
Working class--United States--Social conditions.
Working poor--United States.
Harvard subject headings:
Documentary television programs.
Poor--United States
Television feature stories.
Working class--United States--Economic conditions.
Working class--United States--Social conditions.
Working poor--United States.
Princeton subject headings:
Documentary television programs.
Poor--United States.
Television programs for the hearing impaired.
Video recordings.
Working class--United States--Economic conditions.
Working class--United States--Social conditions.
Working poor--United States.