The author acknowledges with gratitude the assistance received from the following works:

(a) 'Know Your Islam' published by Peermahomed Ebrahim Trust of Karachi (Pakistan), which contains a verbatim translation of the Du`a in the English language, and which has been reproduced mutatis mutandis in this commentary;

(b) 'Anisul-Layl fi Sharhi Du`ai'l-Kumayl' which is an Arabic commentary on the Du`a; and

(c) 'Darman Ruho-Rawan' which is a commentary in the Farsi language of the Du`a and contains scholarly interpretations of its words and phrases written by the learned Aqa Muhammad Baqir Malbubi.