Autograph Letter Signed, probably to Nassau Senior, regretting that another engagement prevents him accepting the kind invitation, and asking him to pass Guizot’s regrets to Madame Senior. In French. 8 x 5½ inches, in good condition, minor creases, integral blank leaf. Tuesday evening, 6 June, no year given. François Pierre Guillaume Guizot (1787-1874), French historian and statesman, was premier of France (1840-48), but was forced into exile by the events of the Revolution of 1848.