Columbia subject headings:
Community organization--Illinois--Chicago--Case studies.
Neighborhoods--Illinois--Chicago--Case studies.
Packing-house workers--Illinois--Chicago--Case studies.
Harvard subject headings:
Community organization--Illinois--Chicago--Case studies.
Neighborhoods--Illinois--Chicago--Case studies.
Packing-house workers--Illinois--Chicago--Case studies.
Princeton subject headings:
Community organization--Illinois--Chicago--Case studies.
Neighborhoods--Illinois--Chicago--Case studies.
Packing-house workers--Illinois--Chicago--Case studies.