Columbia subject headings:
Homeless persons--New York (State)--New York.
Older men--New York (State)--New York.
Harvard subject headings:
Older homeless persons--New York (State)--New York.
Older men--New York (State)--New York.
Princeton subject headings:
Homeless persons--New York (State)--New York.
Older men--New York (State)--New York.