Columbia subject headings:
Chicago (Ill.)--Social conditions.
Poor--Illinois--Chicago.
Subculture.
Tramps--Illinois--Chicago.
Harvard subject headings:
Chicago (Ill.)--Social conditions.
Poor--Illinois--Chicago.
Subculture--Illinois--Chicago.
Subculture.
Tramps--Illinois--Chicago.
Princeton subject headings:
Chicago (Ill.)--Social conditions.
Poor--Illinois--Chicago.
Subculture--Illinois--Chicago.
Tramps--Illinois--Chicago.