Columbia subject headings:
Philosophical anthropology--History--20th century--Congresses.
Sociology--History--20th century--Congresses.
Harvard subject headings:
Philosophical anthropology--History--20th century--Congresses.
Sociology--History--20th century--Congresses.
Princeton subject headings:
Philosophical anthropology--History--20th century--Congresses.
Sociology--History--20th century--Congresses.