Columbia subject headings:
Eschatology--History of doctrines--20th century--Congresses.
Soul--History of doctrines--20th century--Congresses.
Harvard subject headings:
Eschatology--Congresses.
Eschatology--History of doctrines--20th century--Congresses.
Future life--Congresses.
Immortality--Congresses.
Reincarnation--Congresses.
Soul--Congresses.
Princeton subject headings: