Aftab, Shazia. Urdū meiṅ Iṣlāḥ-i Imlā kī kusheshaiṅ. Islamabad: Muqtadarah-i Qaumī Ẓabān, 2012.

Ahmad Baig, Mirza Khalil. Urdū ki Līsānī Tashkīl. Aligarh: Educational Book House,1990.

Ahmad Khan, Maulvi Hafiz Muhammad Nazir. Rasam-ul Khaṯ, Ya‘nī Qavā‘d-i Imlā-o-Inshā-i Khaṯ, ‘Arabī, Fārsī aur Urdū. Dehli: Siddiqui Press, 1912.

Ahmad Saqib, Muhammad Aftab. Urdū Qavā‘id-o-Imlā kē Bunyādī Aṣūl. Islamabad: National Institute of Modern Languages, 1994.

Ali Hussaini, Mir Bahadur. Qavā‘id-i Ẓabān-i Urdū. Lahore: Majlis-i Taraqqi-i Adab, 2008.

Faruqi, Shamsur Rahman. Lūghāt-i Ruẓmarah. Karachi: Aaj Publishers, 2012.

Fatehpuri, Farman. Urdū Imlā-o-Rasmul Khaṯ (Usūl-o-Masā‘il). Lahore:Sang-e-Meel Publications,1977.

Haqqee, Shan-ul-Haq. Farhang-i Talaffuz. Islamabad: Muqtadarah-i Qaumī Ẓabān, 2017.

Jalibi Jameel. Tārīkh-i Ādab-i Urdū, vol. 4. Lahore Majlis-i Taraqqi-i Ādab, 2012.

Khan Arzoo, Sirajuddin Ali. Nawādir-al-Ālāẑ. Edited by Syed Abdullah. Karachi: Anjuman-i Taraqqi-i Urdū,1992.

Khan, Ghulam Mustafa. “Urdū Imlā kī Tārīkh”, in Ilmī Naqūsh. Hyderabad: Shu‘bah-i Urdū  Sindh University, 1957.

Khan, Ghulam Mustafa. Jāmi‘-ul-Qavā‘d. Lahore: Urdū Science Board, 2003.

Khan, Rasheed Hasan. Urdū Imlā. Dehli: National Academy,1974.

Khan, Rasheed Hassan. Imlā-i Ghālib. Karachi: Idārah-i Yādgār-i Ghālib. 2000.

Khattak, Ibrar. Urdū Imlā kē Masā‘il-o-Mabāḥiṡ. Islamabad: Allama Iqbal Open University, 2021.

Maharvi, Ahsan. Namunah-i Manṡurāt. Islamabad: Muqtadarah-i Qaumī Ẓabān, 1986.

Muhammad, Ansarullah. Urdū kē Harūf-i Tahajī. Aligharh: Shu‘bah-i Urdū, Muslim University,1972.

Naqvi, Syed Qudart. Sab Ras āik Muṯāli‘ah. Lahore: Maghrabī Pakistan Urdū Akedimī, 2003.

Narang, Gopi Chand. Imlā Nāmah (Revised Edition). Dehli: Taraqqi-i Urdū Board, 1992.

Narang, Gopi Chand. Imlā Nāmah. Dehli: Taraqqi-i Urdū Board, 1974

Narang, Gopi Chand. Urdū ẓabān aur Līsānīyāt. Lahore: Sang-e-Meel Publications, 2007.

Noshahi, Gohar (Edited). Urdū Imlā aur Ramūẓ-i Auqāf. Islamabad: Muqtadarah-i Qaumi Ẓaban, 1986.

Parekh, Rauf. Lūghāt aur Farhangaiṅ. Karachi: City Book Point, 2021.

Rahi, Ijaz. Sifārshāt Urdū Imlā-o-Ramūẓ-i Āuqāf kē Masā‘il. Islamabad: Muqtadarah-i Qaumī Ẓabān, 1985.

Ram, Lala Siri, Khumkhānah-i Jāvēd. Dehli: Hamdard Press,1926.

Rampuri, Maulvi Ghayasuddin. Ghayās-ul-Lūghāt. Lucknow: Munshi Nawal Kishore,1887.

Rasool, Ghulam. Urdū Imlā. Hyderabad: Idārah-i Adabīyāt-i Urdū, 1960.

Rauf Parekh, Anjum Hameed, Azmat Zehra, Manzoor Ahmad (compiled). Sifārshāt Urdū Imlā. Islamabad: Idarah Barā‘ye Fīrugh-i Qaumī ẓabān, 2022.

Sahar Badayuni, Munshi Debi Parshad. Ma‘yār-ul- Imlā. Kanpur: Maṯba‘h Nīẓāmī, 1867.

Sahar Badayuni, Munshi Debi Parshad. Rīsālah Qīyāfah. Luckhnow: Maṯba‘h Nawal Kishore September, 1873.

Sahar, Abu Muhammad. Urdū Imlā aur us kī Iṣlāḥ. Bhopal: Maktabah-i Ādab,1983.

Sahar, Abu Muhammad. Urdū Rasam-ul Khaṯ aur Imlā. Bhopal: Ādab Mālivīah,1999.

Shahjahanpuri, Abu Salman. Kītābīyāt-i Urdū Imlā aur dusrē Masā‘l. Islamabad: Muqtadarah-i Qaumī , 1986.

Siddiqi, Iftikhar Ahamad. Maulvi Naẓīr Āḥmad: Āḥvāl-o-Āṡār. Lahore: Majlis-i Taraqqi-i Ādab, 1971.

Tabrezi, Muahammd Hussain bin Khalaf. Burhān-i Qāṯ‘e. Hyderabad Dakkan: Shamsi, 1030.

Wasif, Hafeez ur Rahman. Ādabī Bhūl Bhulayāṅ. Dehli: Bāẓār Chatali Qabar, Color Printing Press, 1979.