1-The Brothers of Safa and Khan al-Wafa (a group of scholars in the fourth century AH), (letters of the brothers of Safa and Khan al-Wafa), achieved by Khair al-Din al-zarqali, commercial. The library, Cairo, 1928, Vol. 1.
2 (2) Ibn Khaldun, Wali al-Din Abdul Rahman ibn Muhammad al-Hadrami (d. 808 Ah), introduction, Muthanna library, Baghdad, (d.), P. 483.
3 - (3) Ibn al-akfani, Shams al-Din Muhammad ibn Ibrahim ibn Said al-Sanjari (d.746 Ah), directing intent to the highest goals, Beirut, 1322 Ah: 120.
4. Al-Hajj Khalifa, Mustafa ibn Abdullah (d.1067 Ah). Revealing the conjectures about the names of books and arts, knowledge agency, Istanbul, 1941, 1 / 662-663.
5 - (4) Al-Jahed, Abu Othman Amr ibn Bahr al-Basri (d.255 ah), Al-Bayan and Al-Tabin, achieved by Mr. Abdel Salam Haroun, al-Khanji library, Cairo, 1985.
6. (6) Ibn Hazm, Abu Muhammad Ali ibn Ahmad ibn Said al-Andalusi (d.456 Ah), letters of Ibn Hazm, investigation of D. Ehsan Abbas, al-Khanji library, Cairo, (d.). 7. (10) Al-karkhi, Abu Bakr Muhammad ibn al-Haseeb (d.410 ah), Al-Badi in Al-Hassab, investigation of Adel Anouba, publications of the Lebanese University, Beirut, 1994.
(11) Tash kaberzadeh, Abu Al-Khair Ahmad ibn Mustafa (d.968 ah), the key to happiness and the lamp of sovereignty, the realization of Kamil Kamil Bakri, and Abdul Wahab Abu al-Nur, Dar Al. Hadith books, Cairo 1968, 73/1.
(12) Al-Khwarizmi, Mohammed bin Ahmed bin Yousef (d.387 ah), the key of science, muniriya press, Cairo, 1342 Ah.
(16) Al-qalqashandi, Abu al-Abbas Ahmed Ibn Ali (d. 821 Ah), sob al-Ashi in the creation industry, Egyptian foundation for authorship, translation and publishing, Cairo, 1993: 3. / 467
11. (19) congratulations, Sheikh Mohammed bin Ali al-Faruqi (d. 1158 ah), the scout of the terminology of the arts, the investigation of Mustafa Abdullah, the Egyptian General Authority for authorship, translation and publishing, Cairo, 1963, introduction to. The book, Volume 1, p.5, pp. 18-29.
(2) brockelmann, Karl, the history of Arabic literature, Al-teal, translated into Arabic by Dr. Yacoub Bakr and Dr. Ramadan Abdel Tawab, Dar Al-Maarif, Cairo, 1975: 2/860.
13. (34) Ibn Sina, the chief Sheikh Abu Ali al-Hussein bin Abdullah (d. 428 Ah), Healing Art II, arithmetic, achieved by Mr. Abdul Hamid Lutfi, Cairo, 1975 ad.
14. (36) Toukan, Kadri Hafez, the Arab scientific heritage in mathematics and astronomy, Dar Al-Shorouk, Beirut, 1976.
(37) Sabt Al-Mardini, Sheikh Mohammed bin Mohammed (d.907 ah), the Mardini gloss in the explanation of jasmine, an introduction to the book of Mr. Mohammed Al-suisi, Kuwait, 1403 Ah = 1983 ad.
16. (38) Al-Nadeem, Allama Muhammad ibn Ishaq al-Warraq (died late fourth century AH), index, completed by Reza taghad, Tehran, 1971.
17. (49) ibn Abi asaiba, Muwaffaq al-Din Ahmad ibn Qasim (d.668 ah), "the eyes of news in the class of doctors", achieved by Professor Nizar Reda, Dar Al-Hayat library, Beirut.
18-Yaqut Al-Hamwi, ibn Abdullah al-Rumi (d. 626 Ah), Dictionary of literature, in the care of Dr. Ahmed al-Rifai, Dar Al-Ma'mun, Cairo, 1936. - 1938 m.: 3/32.
19. Al-qafti, Jamal al-Din Ali ibn Yusuf al-Halabi (d. 646 ah), the history of the wise men or the news of the wise men, the election of Al-zuzni, printed by the Muthanna library, Baghdad. , From the lipsk edition of 1603 ad .
20. (125) Khayyam, Abu al-Fath Omar Ibn Ibrahim (d.517 Ah), Omar Khayyam's algebraic letters, the investigation of professors Rushdi Rashid and Ahmed Jabbar, publications of the Institute of Arab scientific heritage, University of Aleppo, 1981.