1. “Ibn al-Nafīs, His Method and Innovations.” The Third Annual Conference of the Egyptian Philosophical Society, Cairo University, July 1990.
2. “The Matter and the Method between Kalamists and Sufis.” The Fourth Annual Conference of the Egyptian Philosophical Society, al-Azhar University, July 1991.
3. “Heritage and the Future.” The Annual Seminar of Dr 'Atif Ghayth, Alexandria University, March 1992.
4. “Christian Symbols in the Poetry of Abūl-Hasan al-Šuštarī.” The Conference of Andalusian Civilization, Cairo University, Jan. 1992.
5. “Individual Security Indication of Community Security.” The Second Annual Seminar of Dr Atif Ghayth, Alexandria University, March 1992
6. “Zakī Mubārak’s Writings on Sufism and Ethics.” Zaki Mubarak Conference, the General Organization of Cultural Palaces, al-Munufiyya University, April 1993.
7. “Contemporary Sufi Orders: al-Khulwatiyya Order as a Model.” The Fifth Annual Conference of the Egyptian Philosophical Society, Dar al-‘Ulūm Faculty, Cairo University, July 1993.
8. “Philosophical Novel; Examples from/on Alexandria.” The Conference of Narrative Writing, West Delta, the General Organization of Cultural Palaces (Published in a book, Jan.1994).
9. “The Possibility of an Arab Cultural Project.” The Conference of the Future of the Arab World, the General Organization of Cultural Palaces (published in a book, March 1994).
10. “Alexandrian Influence on the Arab/Islamic Civilization.” The Sixth Annual Conference of the Egyptian Philosophical Society, July 1994.
11. “The Acquisition of books of Heritage and Philosophy”, The First International Symposium on the Intellectual Content and Library Information Services- the General Organization of Alexandria Library, November 1994.
12. “Readings in Researches on Ahmad Amin’s Memorial Book.” Ahmad Amin Conference (Commemorating his 40th Anniversary), the General Organization of Cultural Palaces, December 1994.
13. “The Role of Heritage in Forming the Future Attitude towards Culture.” The Conference of the Arab Ministers of Culture, the Arab Organization for Education, Culture and Science (AOECS), Tunis 1995.
14. “al-Tawhīdī: A Sufi or a Philosopher ?” The Conference of the First Millennium of Abū Hayyān al-Tawhīdī, the Supreme Council of Culture, Cairo, October 1995.
15. “Cataloging of Arabic Manuscripts.” The Second International Symposium on the Intellectual Content and Library Information Service, the General Organization of the Alexandria Library, November 1995.
16. “How the Arab Culture Contained Science?” The Scientific Cultural Symposium, Supreme Council of Culture, Cairo, January 1996.
17. “Literary Criticism at the Crossroad.” The Conference of Meeting of Civilizations, Damanhur, February 1996.
18. “Manuscripts Institute: Milestones on of the Future Road.” Arab League, Cairo, April 1996.
19. “Rifā‘a al-Tahtāwī’s Manuscripts in Suhag.” The International Symposium of Manuscripts – Dar al-Kutub al-Misriyya/Asisco, Cairo, June 1996.
20. “Alexandria’s Manuscripts & the Role of the Bibliotheca Alexandrina.” The International Symposium of Manuscripts– Dar al-Kutub al-Misriyya/Asisco, Cairo, June 1996.
21. “Egypt’s Role in the History of Arab Science.” The Conference of Arab Scientific Legacy, the Supreme Council of Culture, Cairo, August 1996.
22. “Sufi Historical Consciousness.” The Eighth Annual Conference of the Egyptian Philosophical Society, Cairo University, December 1996.
23. “Heritage and Technology.” Treasures of Arab Scientific Heritage Symposium, Faculty of Science, University of Cairo, March 1997.
24. “Heritage and Modernity: False Paradox.” The second International Conference of Islamic Philosophy, Dar al-‘Ulum Faculty, University of Cairo, April 1997.
25. “Sufi Thought: From Ibn ‘Arabī to ‘Abdul-Karīm al-Jilī.” Moroccan Cultural Seasons Conference, Morocco, May 1997.
26. “From the History of Atheism to Sufism: Readings in ‘Abdul-Rahman Badawi’s Works.” ‘Abdul-Rahman Badawi Conference, the General Organization of Culture Palaces, May 1997.
27. “Manuscripts of the Works of Ibn al-Nafīs: Discovery and Analysis.” Ibn al-Nafīs Conference, the Islamic Organization of Medical Sciences, Kuwait, November 1997.
28. “Literary Heritage in Alexandria.” Regional Authors Conference, the General Organization of Culture Palaces, Alexandria, November 1997.
29. “Egyptian Manuscripts Catalogs.” The Cataloging Horizons Symposium, the Arabic Manuscripts Institute, the General Secretariat of the Arab League, Cairo, December 1997.
30. “Sufi Theophanic Visions and Evolvement of Sufi Discourse.” The Ninth Annual Conference of the Egyptian Philosophical Society, Cairo University, December 1997.
31. “Medical and Pharmaceutical Manuscripts in Alexandria: Discovery and Analysis.” The First Annual Conference of Alexandria University’s Center of Manuscripts and Heritage, Alexandria, March 1998.
32. “The Heritage Map of Egypt.” The Symposium of the Application of Information Technology for the Preservation of Heritage, IDSC, European Union, Cairo, April 1998.
33. “Arab Heritage: From Culturing to Acculturation.” The Fourth Annual Conference of Philadelphia University, Amman, May 1998.
34. “Translation and Transmission: A Historical Study.” Translation Conference, Arab Unity Studies Center, Beirut, May 1998.
35. “Common Grounds Between Heritage and Technology.” Information Technology Seminar, the Bibliotheca Alexandrina, Alexandria, May 1998.
36. “Legacy of Literary Corpus and the Terminology Issue.” The Literary Terminology Conference, Supreme Council of Culture, Cairo, May 1998.
37. “Indexing Manuscripts: Problems of Title and Author Documentation.” Regional Indexing Experiments Seminar, Institute of Arab Manuscripts, Cairo, September 1998.
38. “Alexandria and Civilization Continuum Throughout History.” The Civilization Continuum Seminar, UNESCO, the Bibliotheca Alexandrina, October 1998.
39. “The Ferghanians in Islamic Arab Civilization.” Ahmad al-Ferghanī Conference, UNESCO, Uzbekistan, Ferghana, October1998.
40. “Spiritual Heritage in Islamic Arab Civilization.” Cultural Assembly Abu Dhabi, November 1998.
41. “Transferring Heritage from Text into Discourse.” Seminar of the Joint Organization for Serving Arab Heritage, Arab League, Cairo, November 1998.
42. “al-Hakīm’s Addresses: To God or to People?” Tawfīk al-Hakīm Conference, Supreme Council of Culture, Cairo, December 1998.
43. “Averroes’ Captious Question.” The Tenth Annual Conference of the Egyptian philosophical Society, Cairo University, December 1998.
44. “Learning in Ottoman Egypt: Ahmad al-Damanhūrī as a Model.” The International Conference Commemorating Seven Hundred Years on the Foundation of the Ottoman state, Istanbul, April 1999.
45. “Sufi Traditions and Their Role in Contemporary Society.” Conference: Religion and Democracy, the Academy of Building the State, Tashkent, November 1999.
46. “Consumption of Values: the Problem of the Mid-Generation in Contemporary Society.” Conference of Globalization and Moral Values, Alexandria, November 1999.
47. “Propagating Scientific Heritage: A Futuristic Foresight Vision.” The International Conference on Manuscripts Issues, Arab League, Cairo, December 1999.
48. “Scientific Heritage in Egypt During a Hundred Years.” The Eleventh Annual Conference of the Egyptian Philosophical Society, December 1999.
49. “The Concept of Pantheism and its Application in the Jewish Encyclopedia.” Jewish Encyclopedia Seminar, Cairo University, March 2000.
50. “al-Tasānudiyya: A philosophical perspective.” Commemorative Lecture before the Egyptian Philosophical Society on the occasion of being awarded Professorship, Cairo University, April 2000.
51. “al-Marghīnānī’s Manuscripts in Egypt.” The International Conference: al- Mātridīnī and al-Marghīnānī, Tashkent, Samarqand, October 2001.
52. “Palestine Manuscripts Catalogs: A Critical Study.” The International Conference of Manuscripts Issues, Arab League, Cairo, November 2001.
53. “al-Hallāj’s Epiphany: Tragedy of Salah ‘Abdul-Sabur.” The Supreme Council of Culture, November 2001.
54. “Political Heritage: Origins and Sources.” Arab league, The Institute of Arabic Manuscripts, Cairo, December 2001.
55. “Heritage Revival and the Acquisition Policy of the Bibliotheca Alexandrina.” Melcom International Conference, Paris, May 2002.
56. “Libraries for Life: Democracy, Diversity, Delivery.” IFLA Annual Conference, Glasgow, August 2002.
57. “Future of Heritage Publishing” Arab League, The Institute of Arabic Manuscripts, Cairo, October 2002.
58. .“The Religion-Violence-Politics Dialectic” Tashkent Conference, Uzbekistan, December 2002.
59. “The Roots and Development of Egyptian-Italian Relations” Egypt Today Colloquium , Venice, March 2003.
60. “Arabic Science during the Memeluke Period ” Quand les Sciences Parlent Arabe, The Bibliotheca Alexandrina, April 2003.
61. “al-Shādhuliyya Order in Alexandria” al-Shādhuliyya Sufi Order, Alexandria 2003.
62. “Heritage Revival Projects in the Bibliotheca Alexandrina” Melcom International Conference, Beirut, 2003.
63. “Heritage Publishing on the Web: www.ziedan.com as an example” ESCWA Conference, Beirut, June 2003.
64. “Latest Heritage Revival Projects in the Bibliotheca Alexandrina” IFLA Annual Conference, Berlin, August 2003.
65. “The Andalusian Horizon” The “Library of Alexandria: Homage to the Past .. Bet on the Future” Exhibition, Madrid 2003.
66. “The Manuscripts of Ibn al-Nafīs, al-Rāzī, Ibn al-Haytham” Quand les Sciences Parlent Arabe, Alexandria 2003.
67. “Maghrebi Expulsion of Arabic Science during the 7th and 8th c. AD”, Conference of Science in Islamic Societies and Future Perspectives, Rabat, April 2004.
68. "A Lost Iraqi Manuscript: Al-Šāmil fīl Sinā‘a al-Tibiyya", Melcom International Conference, Munich, May 2004.
69. "Scientific Methodology between Dawūd al-Antakī and Claude Bernard", Dawūd al-Antākī International Conference, Aleppo, June 2004.
70. "The Role of the Manuscript Center in the Revival of the Bibliotheca Alexandrina", Frankfurt Book Fair, Frankfurt, October 2004.
71. "Critical Study of Ibn al-Nafīs' al-Šāmīl," Conference of the Critical Study of Arabic Heritage: Visions and Expectations, Jordan, December 2004.
72. “The Century of Maghribi Immigration to the East: Ibn Ak-Biytar’s case” Institute for the History of Arabic Science, Aleppo, April 2005
73. “Electronic Publishing Revolution” (Egyptian Writers Syndicate- Publishing Issues- Cairo, December 2005.
74. “The Crisis of Scientific Arabic Thinking ” Al-Arabi magazine Seminar, Kuwait, December 2005.
75. “Silk Road, Suez Canal, Internet” the Suez Canal Conference; Cities Born in the Desert, December 2005.
76. “Arabic Manuscript heritage in Alexandria” Second International Conference of Islamic Manuscripts, Cambridge University, June 2006
77. “Cataloged Manuscripts of Jerusalem” the International Seminar for Jerusalem’s Heritage, The Institute of Arabic Manuscripts, Cairo, November 2006.
78. “From the Achievements of the Bibliotheca Alexandrina in the Field of Manuscripts”, National African languages, Tunis, December 2006.
79. “Why Ibn al-Nafis…Why Al-Šāmil”, National Islamic Artifacts, Kuwait, December 2006
80. “Ibn Khaldun’s Writing”, Ibn Khaldun’s Universality Conference, the Supreme Council of Culture and the Bibliotheca Alexandrina, December 2006.