In 1881 Leroy-Beaulieu was elected professor of contemporary history and eastern affairs at the Ecole Libre des Sciences Politiques, becoming director of this institution on the death of Albert Sorel in 1906, and in 1887 he became a member of the Academic des Sciences Morales et Politiques.
Sorel in the Grands ecrivains francais.
The change which made Charles take an active part in public affairs is said to have been largely due to the influence of Agnes Sorel, who became his mistress in 1 444 and died in 1450.
Meanwhile his father, making a parallel campaign in Lorraine, had assembled his first brilliant court at Nancy, and when Louis returned it was to find the king completely under the spell of Agnes Sorel.
Sorel in L'Europe et la Revolution FranCaise (8 vols., Paris, 1885-1904) carrying the story down to the settlement of Vienna.