The Holy Qur'an.
Abbāsī, Husayn.(2010). A Reflection on the Book "Hieroglyph in the Glorious Qurān". Kitāb Māh Dīn. vol.148, pp.10-20.
'Adl, Sa'd 'Abd Al-Muṭallib.(2009). Hieroglyph in the Glorious Qurān. Translated by Hāmid Sidqī & Habīb Allāh Abbāsī. Tehran: Sukhan.
Fakhr Rāzī, Muḥammad ibn 'Umar.(1990). Al-Tafsīr Al-kabīr. Qom: Islamic Propagation Office.
Fayḍ, Muḥammad ibn Murtaḍā.(1983). Al-Ṣāfī fī Al-Tafsīr Al-Qurān. Tehran: Kitābfurūshī Islāmīyya.
Fiqhīzādi, Abd Al-hādī & 'īsāyī, Ahmad.(2021). A Qurānic Look at the Essence of "Kitāb Mubīn" and its Connection with the Holy Qur'an, Relying on the Exegetical Opinions of Allāma Tabātabā'ī. Pazhūhishnāmi Qurān & Hadith. vol.27, pp.193-216.
Girāvand, Alī & Shahbāzī, Fatḥ'ali.(2012). A Look at the Opinions and Beliefs and the Contexts of the Appearance of the Hurūfīyya Sect. Haft Āsimān. vol.55, pp.25-44.
Husaynī, Ahmad & Muslimpūr, Ibrāhīm.(2015). Ibn-Sīnā's Philosophical Method in the Interpretation of ''The Separated Letters'' in the Glorious Qur'an. Hikmat Sīnavī. vol.52, pp.4-23.
Ibn Manẓūr, Muḥammad ibn Mukram.(1984). Lisān Al-'Arab. Qom: Nashr Adab Al-Hawzah.
Javādī, 'abd Allāh.(2018). Tasnīm. Qom: Isrā'.
Khalīfa, Rashshād.(1986). I'jāz Al-Qurān(Statistical Analysis of ''The Separated Letters'' in the Glorious Qur'an). Translated by Muhammad Taqī Āyat Allāhī. Shiraz: University of Shiraz.
Lutfī, Mahdī.(2013). Semantic Fields of Muqatta'a Letters in the Holy Quran. Quran and Hadith Studies. vol.11, pp.113-133.
Majlisī, Muhammad Bāqir.(n.d). Biḥār Al-Anwār. Beirut: Al-wafā'.
Nasr, Husayn & Others.(2021). The Study Quran. Translated by Inshā'Allāh Rahmatī. Tehran: Sofia.
Nöldeke, Theodor.(2000). Tārīkh Al-Qurān. Revised by F.Schwally. Translated by Georges Tamer. Hildesheim, Zürich & NewYork: Dār Nashr Jūrj Ulms.
Rāghib Iṣfahānī, Ḥusayn ibn Muḥammad.(1999). Al-Mufradāt fī Gharīb Al-Qur'ān. By the efforts of Muḥammad Khalīl 'Ītānī. Beirut: Dār Al-Ma'rifah.
Rahmānīfard, Husayn.(2015). A Review on the Viewpoints on Abbreviated Letters and It's Hadiths. Qom: Bustān-e Ketāb Publishers.
Razavī, Muhammad & Ja'farī, Mahīn.(2016). Analysis of ''The Separated Letters'' from the Point of View of Orientalists. Husnā. vol.29&30, pp.215-234.
Sadūq, Muḥammad ibn 'Alī.(1982). Ma'ānī Al-'Akhbār. Qom: Intishārāt Islāmī.
Shaykh, Mahmūd & Zāri'dār, Murtizā.(2016). Typology of Mystical Interpretations on the Subject of ''The Separated Letters'' in the Qurān. Adyān va 'irfān.49th year, vol.1, pp.89-106.
Suyūṭī, Jalāl Al-Din.(1983). Al-Dur Al-Manthūr fī Al-Tafsīr Al-Ma'thūr. Qom: Mar'ashī Library.
Suyūṭī, Jalāl Al-Din.(1999). Al-Itqān fī 'Ulūm Al-Qur'ān. By the efforts of Muṣtafā Dīb al-Bughā. Beirut and Damascus: Dār ibn Kathīr.
Ṭabarī, Muḥammad ibn Jarīr.(1991). Jāme' Al-Bayān fī Tafsīr Al-Qur'ān. Beirut: Dār Al-Ma'rifah.
Tabātabā'ī, Kāzim.(2004). ''The Separated Letters'' from the Point of View of Western Qurān Scholars. Mutāli'āt Islāmī. vol.60, pp.172-179.
Tabātabā'ī, Muhammad Husayn.(1997). Al-Mīzan fī Tafsīr Al-Qur'ān. Beirut:
Mu'assasah Al-'A'lamī li Al-Maṭbū'āt.
Ṭabrisī, Faḍl ibn Ḥasan.(n.d). Majma' Al-Bayān. Beirut: Dār Al-Ma'rifah.
Tha'labī, Muḥammad ibn Ibrāhīm.(2001). Al-Kashf wa Al-Bayān 'an Tafsīr Al- Qurān. Beirut: Dār Iḥyā' Al-Turāth Al-'Arabī.
Tirmadhī, Muḥammad ibn 'īsā.(1975). Sunan Al-Tirmadhī. Egypt: Maktaba wa Maṭba'a Muṣtafā Al-bābī Al-ḥalabī.
Watt, William.(2003). Introduction to the Quran. Written by Richard Bell, Completely Revised and Enlarged by W.Montgomery Watt. Translated by Bahā'uddīn khurramshāhī. Qom: The Centre for Translation of the Holy Qur'ān.