Columbia subject headings:
Iqbal, Muhammad, Sir, 1877-1938--Philosophy.
Iqbal, Muhammad, Sir, 1877-1938--Religion.
Iqbal, Muhammad, Sir, 1877-1938.
Muslims--India--Biography.
Harvard subject headings:
Iqbal, Muhammad, Sir, 1877-1938--Criticism and interpretation.
Iqbal, Muhammad, Sir, 1877-1938--Religion.
Princeton subject headings: