BIBLIOGRAPHY CONTRIBUTOR Léon Bercher First name Léon Last name Bercher Bibliography entries by this contributor Ḥazm, Ibn. 1949. Le Collier Du Pigeon, Ou, De L'amour Et Des Amants = T'awq Al-H'amâma Fi'l-Ulfa Wa'l-Ullâf. Ed. Léon Bercher. Alger: Éditions Carbonel.