Columbia subject headings:
Secularism--India--Congresses.
Secularism--Soviet Union--Congresses.
Secularization--India--Congresses.
Secularization--Soviet Union--Congresses.
Harvard subject headings:
Secularism--India--Congresses.
Secularism--Soviet Union--Congresses.
Secularization--India--Congresses.
Secularization--Soviet Union--Congresses.
Princeton subject headings:
Secularism--India--Congresses.
Secularism--Soviet Union--Congresses.
Secularization--India--Congresses.
Secularization--Soviet Union--Congresses.