This is an 8-page letter Professor Hamid Ahmad Khan wrote in response to a request from a writer (Shaikh Kraramat Ullah?) who was working on a book and needed information on the family of Maulana Sirajuddin Ahmad Khan, Maulana Zafar Ali Khan and Professor Hamid Ahmad Khan. The letter written in Urdu is dated 23 February 1974 to 14 March 1974. It includes a family tree.