(原始内容存档于2016-03-03) (英语). Frederic J. Baumgartner. Behind Locked Doors: A History of the Papal Elections. Palgrave Macmillan. 2003: 31. ISBN 0-312-29463-8 (英语)
(原始内容存档于2016-03-03) (英语). Frederic J. Baumgartner. Behind Locked Doors: A History of the Papal Elections. Palgrave Macmillan. 2003: 31 [2017-05-19]. ISBN 0-312-29463-8
International Herald Tribune (页面存档备份,存于互联网档案馆) on Follow Your Heart: "But Susanna Tamaro's "Follow Your Heart," the biggest selling Italian postwar novel