Columbia subject headings:
Death--Congresses.
Ethics--Congresses.
Finite, The--Congresses.
Marx, Werner.
Harvard subject headings:
Death--Congresses
Ethics--Congresses
Finite, The--Congresses.
Marx, Werner.
Princeton subject headings:
Death--Congresses.
Ethics, Modern--20th century--Congresses.
Marx, Werner--Congresses.