Articolo del 2013 link http://www.affaritaliani.it/roma/per-l-m5s-una-lezione-di-storia-dimenticata-l-antipolitica-l-ha-inventata-massoni-10122013.html?refresh_cens
Articolo del 1963 link http://archives.chicagotribune.com/1963/05/30/page/19/article/held-in-italy