Bibliographical and other reference material:
- 1922/1923 – Printing Press “Jeanne d’Arc”
- Fundamentals of Philately
- Le Liban, illustré par ses timbres – Dr Joseph Hatem
- Lebanon and the Postal Stamp – Moustfa Assad
- Philatelic History of the Arab Kingdom of Syria
- The Foreign Post Offices Cancels In Lebanon 1845-1914
- The Postal Issues of Syria, Lebanon and the Alaouites: 1919–1945
- Donald Duston – French Colonies Revenues