Web site: Georgia – Mtskheta – Jvari monastery Photo by Irina Kalatozishvili. https://web.archive.org/web/20180305063832/http://m.yourshot.nationalgeographic.com/photos/5852537/?ys_referrer=https%3A%2F%2Fwww.google.co.uk. dead. March 5, 2018. National Geographic. 4 March 2018. en.
Web site: SAINT HRIP'SIME. https://web.archive.org/web/20120910171417/http://armenianstudies.csufresno.edu/iaa_architecture/hripsime.htm. dead. 10 September 2012. California State University – Armenian Studies Program. 4 March 2018. 10 September 2012.
Book: Ching. Francis D. K.. Jarzombek. Mark M.. Prakash. Vikramaditya. A Global History of Architecture. 2017. John Wiley & Sons. 978-1-118-98160-3. 969. en.
Web site: Kairouan. whc.unesco.org. 5 March 2018. en.
Book: Clapham, Alfred. Alfred Clapham. 1930. English Romanesque Architecture, 1, Before the Conquest. Oxford University Press. perhaps the most imposing architectural memorial of the 7th century yet surviving north of the Alps.. 33.