PIUS XI, (1857-1939). Autograph letter signed ('A. Ratti'), to an unnamed recipient ('carrissimo'), Biblioteca Apostolica Vaticana, 22 November 1916, inviting them to a light lunch 'all'Ariccia, a Frascati, al Castello dei Cesari', 3¼ pages, 8vo; [with]: Cardinal Francesco Antonio FINY (1738-40). Three documents signed, in Latin, comprising 'Votum ... Super Martyrio' and 'Super Miraculis', 20 March 1729, and 'Votum super virtutibus Theologalibus, et Cardinalibus in gradu heroico Ven. Servi Dei Joseph'. (4)