Columbia subject headings:
Capitalism--Congresses.
Economics--Congresses.
Medical economics--Congresses.
Property--Congresses.
Harvard subject headings:
Capitalism--Congresses
Economics--Congresses
Medical economics--Congresses.
Property--Congresses.
Princeton subject headings:
Capitalism--Congresses.
Economics--Congresses.
Medical economics--Congresses.
Property--Congresses.