Ibn Abi Ya'li, Abi Hossein Mohammad, Bita, Tabaqat al-Hanabelah, revised by: Mohammad Hamed al-Faqi, Cairo, Sonnah al-Mohammadiya Publishing House.
Ibn Ahmad, Saleh, 1984 A.D, The biography of Imam Ahmad ibn Hanbal, research: Fouad Abd al-Mon'em, Alexandria, Shabab al-Jamaa institute, Dar al-Kotob.
Ibn Ahmad, Abdollah, 1406 A. H, Ketab al-Sonnah, research: Mohammad ibn Sa'eed ibn Salem al-Qahtani, Dammam, Dar al- Ibn Qayyem.
Ibn Jozi, Abdol-Rahman Ali ibn Mohammad, 1409 A. H, in the name of Imam Ahmad ibn Hanbal, research: Abdollah ibn Abdol-Mohsen al-Turki, Embabeh (Egypt).
Ibn Hanbal, Ahmad, 1416 A. H, Musnad, research: Sho'aib Arnout, first edition, Beirut, Al-Resalah institute.
1403 A. H, Fazael al- Sahabeh , research: Vasiollah ibn Mohammad Abbas, Mecca, Dar al- Elm.
Ibn Abd al-Bar, 1412 A. H, Al-Esti'ab fi Marefat al- Sahaab, research: Ali Mohammad Al-Bajawi, first edition, Beirut, Dar al-Jeil.
Ibn Asaker, Abu al-Qasem Ali ibn Hassan Shafi'i, 1415 A. H, History of the city of Damascus, research: Ali Shiri, Beirut, Dar al-Fekr.
Ibn Qotaibeh Dinuri, Abdollah ibn Moslem, 1412 A.H., Al-Dhihab fi Lafz va Al Rad Al-Jahmiyyah and Moshabbahah, research: Umar ibn Mahmoud Abu Umar, first edition, Riyadh, Dar Al-Rayah.
Ahmadi, Abdol-Elah ibn Salman ibn Salem, 1412 A. H, al-Masael va al-Rasael al-Marawiyah from Imam Ahmad ibn Hanbal fi al-Aqeedah, Riyadh, Dar al-Tayyebah.
Stanford, Michael, 2013, an introduction to historical research, translated by: Massoud Sadeghi, 7th edition, Tehran, Imam Sadegh University (A. S) and Organization for the Study and Compilation of Universities' Humanities Books.
Ansari, Hassan, 1373, entry "Ahmad ibn Hanbal", Islamic Encyclopaedia, Volume 6, under the supervision of Seyyed Mohammad Kazem Mousavi Bojnoordi, Tehran.
Amiri Ruhollahi, Zahra, 2013, "The Fields of Formation of Ahmad ibn Hanbal's Thoughts", Islamic History Quarterly, Year 12, Number 48.
Baghdadi, Khatib, 1417 A.H., History of Baghdad, first edition, Beirut, Dar al-Kotob al-Elamiyah.
Jahez, Amr ibn Bahr, 1411 A. H, Al-Othmaniyah, research: Abdol salam Mohammad Haroun, first edition, Beirut, Dar al-Jeil.
Jahez, Amr ibn Bahr, 2002, Rasa'el al -Jahez; Al-Rasael al-Siasiyah, research: Ali Abol Molhem, second edition, Beirut, Dar al -Helal.
Jabrin, Abdollah ibn Abdol-Rahman, 1420 A.H., Commentary on the Principles of the Sunnah of Ahmad ibn Hanbal, revised by: Ali ibn Hossein Aboluz, second edition, Riyadh, Dar al-Masir School.
Jafarian, Rasul, 2013, History of Shiism in Iran, 5th edition, Tehran, Elm publication.
Jafarian, Rasul, 1379, "The role of Ahmad ibn Hanbal in modifying Sunni religion", Haft Asman, second period, fifth issue: 177-145.
Khelal, Abi Bakr Ahmad ìbn Mohammad ibn Harun ibn Yazid, 1415 A. H., Sunnah, research: Atiyah ibn Atiq al-Zahrani, second edition, Riyadh, Dar al-Raya.
Hamawi, Shahab al-Din Abu Abdollah Yaqut ibn Abdollah, 1995, Mo'jam al-Boldan, second edition, Beirut, Dar al Sadir.
Zahabi, Shamsoddin Mohammad ibn Ahmad, 1413 A.H., Tarikh al-Islam and the death of famous people, research: Omar Abdol-Salam Tadamri, second edition, Beirut, Dar al Ketab al Arabi
Zahabi, Shamsoddin Mohammad ibn Ahmad, 1413 A. D, Seir Elaam al- Nabal' , Shu’aib al-Arnout, 9th edition, Beirut, Al-Risalah institution).
Samani, Abdol -Karim ibn Mohammad, 1382 A. H, Al-Ansab, research: Abdol-Rahman ibn Yahya al-Moallami, first edition, Heidarabad, Ottoman Encyclopaedia Council.
Tabatabaei, Seyyed Kazem, spring and summer 1377, "Effects of Shiism in Musnad Ahmad", Islamic Studies, Mashhad Faculty of Theology and Education, No. 39 and 40: 56-29.
Asqalani, Ibn Hajar, 1415 A.H., the injury in distinguishing the Companions, research: Adel Ahmad Abd al-Mojood and Ali Mohammad Moawad, first edition, Beirut, Dar al-Kutub al-Elamiyah.
Asqalani, Ibn Hajar, 1379 A. H, Fath al-Bari with the correct interpretation of Imam Bukhari, Abdol Aziz ibn Abdollah ibn Baz, Moheboddin Khatib, Mohammad Fouad Abdol Baqi, al-Maktab al-Salafiyah.
Fayyaz Anoush, Autumn and Winter 2019, "The Inefficiency of Devaluing Historical Narrations", Al-Zahra University Historiography bimonthly, 20th year, new period, serial 86, number 6.
Al-Mousa, Sa'ad ibn Musa ibn Hamad, 1415-1416 A. H, al-Nusus al-Tarikhiyah fi Musnad of Imam Ahmad Ibn Hanbal (241 A. H) in time of Caliphs of the Rasheduns, Mecca, Umm al-Qari Society.
Nashi Akbar, 1971 A.D, Problems of the Imamate, Research: Youssef Fan S, Beirut.