Columbia subject headings:
Homeless persons--Services for--United States--Handbooks, manuals, etc.
Mental health services--United States--Handbooks, manuals, etc.
Harvard subject headings:
Homeless persons--Services for--United States--Handbooks, manuals, etc.
Mental health services--United States--Handbooks, manuals, etc.
Princeton subject headings:
Homeless persons--Services for--United States.