Mireaux was president of the Académie des Sciences Morales et Politiques for 1951 and president of the Institut de France for 1951. Émile Mireaux died in Paris on 27 December 1969.  Émile Mireaux contributed to many French and foreign reviews, including the "Revue des deux Mondes", "Revue de Paris", "Revue Hebdomadaire", "Revue politique et parlementaire" and the "Encyclopédie française" and "Encyclopædia Britannica. Émile Mireaux was the author of: Mireaux wrote prefaces to: