1911 Encyclopædia Britannica, Volume 21… (1911)
“ He became president of the chamber of deputies, and sat for a few months in the cabinet, though without a portfolio. On the fall of the weak and discredited ministry of Laffitte, Casimir Périer, who had drifted more and more to the Right, was summoned to power (March 13, 1831) , and in the short space of a year he restored civic order in France and re-established her credit in Europe. Paris was in a constant state of disturbance from March to September, and was only held in check by the premier’s determination; the workmen’s revolt at Lyons was suppressed after hard fighting ”
