Columbia subject headings:
Families--Economic aspects--Congresses.
Organization--Congresses.
Social institutions--Congresses.
Social sciences--Comparative method--Congresses.
Work--Social aspects--Congresses.
Harvard subject headings:
Families--Economic aspects--Congresses.
Organization--Congresses
Social institutions--Congresses.
Social sciences--Comparative method--Congresses.
Work--Social aspects--Congresses.
Princeton subject headings:
Families--Economic aspects--Congresses.
Organization--Congresses.
Social institutions--Congresses.
Social sciences--Comparative method--Congresses.
Work--Social aspects--Congresses.