Columbia subject headings:
Federal aid to services for the homeless--United States--Directories.
Health Care for the Homeless Program (U.S.)--Directories.
Homeless persons--Medical care--United States--Periodicals.
Homeless persons--Services for--United States--Directories.
Homelessness--Health aspects--United States--Periodicals.
Harvard subject headings:
Homeless persons--Medical care--Periodicals.
Homelessness--Health aspects--Periodicals.
Princeton subject headings: