Columbia subject headings:
Equality--Germany--History--20th century--Congresses.
Equality--Great Britain--History--20th century--Congresses.
Equality--United States--History--20th century--Congresses.
Social sciences--Germany--History--20th century--Congresses.
Social sciences--Great Britain--History--20th century--Congresses.
Social sciences--United States--History--20th century--Congresses.
Social structure--Germany--History--20th century--Congresses.
Social structure--Great Britain--History--20th century--Congresses.
Social structure--United States--History--20th century--Congresses.
Harvard subject headings:
Equality--Congresses
Equality--Germany--History--20th century--Congresses.
Equality--Great Britain--History--20th century--Congresses.
Equality--United States--History--20th century--Congresses.
Social sciences--Germany--History--20th century--Congresses.
Social sciences--Great Britain--History--20th century--Congresses.
Social sciences--United States--History--20th century--Congresses.
Social stratification--Congresses.
Social structure--Germany--History--20th century--Congresses.
Social structure--Great Britain--History--20th century--Congresses.
Social structure--United States--History--20th century--Congresses.
Princeton subject headings:
Equality--Germany--History--20th century--Congresses.
Equality--Great Britain--History--20th century--Congresses.
Equality--United States--History--20th century--Congresses.
Social sciences--Germany--History--20th century--Congresses.
Social sciences--Great Britain--History--20th century--Congresses.
Social sciences--United States--History--20th century--Congresses.
Social structure--Germany--History--20th century--Congresses.
Social structure--Great Britain--History--20th century--Congresses.
Social structure--United States--History--20th century--Congresses.