* en:[http://womenshistory.about.com/od/medievalsaints/p/princess_olga.htm Princess Olga of Kiev]* en:[http://www.comeandseeicons.com/o/inp96.htm Icon of St. Princess Olga]* fr: http://fr.wikipedia.org/wiki/Olga_de_Kiev* ro: [http://www.doxologia.ro/viata-sfant/viata-sfintei-olga-imparateasa-rusiei Viața Sfintei Olga, Împărăteasa Rusiei]