Columbia subject headings:
Iqbal, Muhammad, Sir, 1877-1938--Congresses.
Poets, Persian--20th century--Biography--Congresses.
Poets, Urdu--20th century--Biography--Congresses.
Harvard subject headings:
Iqbal, Muhammad, Sir, 1877-1938--Criticism and interpretation--Congresses.
Princeton subject headings:
Iqbal, Muhammad, Sir, 1877-1938--Criticism and interpretation--Congresses.