Columbia subject headings:
Authors, Urdu--20th century--Correspondence.
Nizami, Khaliq Ahmad, 1925-1997--Correspondence.
Ṣiddīqī, Rashīd Aḥmad, 1894-1977--Correspondence.
Harvard subject headings:
Authors, Urdu--20th century--Correspondence.
Nizami, Khaliq Ahmad, 1925-1997--Correspondence.
Ṣiddīqī, Rashīd Aḥmad, 1894-1977--Correspondence.
Princeton subject headings: