Columbia subject headings:
Homelessness--Congresses.
Housing policy--Congresses.
Housing--Congresses.
Self-help housing--Congresses.
Harvard subject headings:
Homelessness--Congresses.
Housing policy--Congresses
Housing--Congresses
Self-help housing--Congresses.
Princeton subject headings:
Homelessness--Congresses.
Housing policy--Congresses.
Housing--Congresses.
Self-help housing--Congresses.